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Zhao-Fleming H, Rezk M, Shah S, Gupta P, Zekeridou A, Flanagan EP, Pittock SJ, McKeon A, Dubey D. Comprehensive Analysis of Paraneoplastic Neurologic Syndrome and PNS-CARE Diagnostic Criteria in Clinical Practice. NEUROLOGY(R) NEUROIMMUNOLOGY & NEUROINFLAMMATION 2024; 11:e200316. [PMID: 39321395 PMCID: PMC11443324 DOI: 10.1212/nxi.0000000000200316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 08/12/2024] [Indexed: 09/27/2024]
Abstract
BACKGROUND AND OBJECTIVES Paraneoplastic neurologic syndrome (PNS) diagnostic criteria were first proposed in 2004 and updated in 2021. The PNS-CARE score, derived from the updated criteria, is a composite model for assigning likelihood for patients with suspected PNS. In this study, we evaluated the utility and applicability of the 2021 PNS-CARE score and present our PNS cohort. METHODS This is a retrospective study. We identified Mayo Clinic patients suspected to have PNS (1/2005-12/2020) and collected relevant information including demographics, PNS presentation, and clinical outcomes. Inclusion criteria were the following: (1) patients with a syndrome consistent with PNS and (2) patients with sufficient information available in charts. Exclusion criteria were the following: (1) evaluation only before 2005, (2) patients not evaluated by neurology, (3) presentation after immune checkpoint inhibitors, and (4) syndromes not included in 2021 criteria. All patients were evaluated for the 2021 and 2004 PNS criteria. RESULTS We identified 484 patients suspected to have PNS at initial presentation, of whom 212 (44%) were considered to have PNS after completion of evaluation. Among these 212 patients, the most common autoantibodies were PCA1 (Yo)-IgG (17%), KLHL11-IgG (16%), and CRMP5-IgG (14%) and the most common phenotypes were rapidly progressive cerebellar syndrome (29%), brainstem encephalitis (14%), and limbic encephalitis (8%). The 2021 PNS criteria definite/probable categorization (PNS-CARE score ≥ 6) had a sensitivity and specificity of 93% and 100%, respectively, while the 2004 PNS criteria definite categorization had a sensitivity and specificity of 67% and 99%, respectively. We found 15 patients with a PNS-CARE score ≤5 who likely had PNS on our review. The most common presentation among these patients was KLHL11-IgG brainstem encephalitis (7/15, 47%) with likely burned-out testicular tumor. DISCUSSION Our study validates the PNS-CARE score. A clearer understanding of typical PNS presentation and common underlying malignancies and autoantibodies can aid in earlier and more accurate diagnosis, which is crucial for downstream clinical decisions. Some patients with an intermediate-risk phenotype do not meet probable/definite criteria despite the presence of high-risk antibodies and/or underlying malignancy.
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Affiliation(s)
- Hannah Zhao-Fleming
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
| | - Mohamed Rezk
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
| | - Shailee Shah
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
| | - Pranjal Gupta
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
| | - Anastasia Zekeridou
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
| | - Eoin P Flanagan
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
| | - Sean J Pittock
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
| | - Andrew McKeon
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
| | - Divyanshu Dubey
- From the Departments of Neurology (H.Z.-F., M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.) and Laboratory Medicine and Pathology (M.R., P.G., A.Z., E.P.F., S.J.P., A.M., D.D.), Mayo Clinic, Rochester, MN; and Department of Neurology (S.S.), Vanderbilt University, Nashville, TN
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Fischer S, von Bonin M, Bornhäuser M, Beste C, Ziemssen T. Neurological complications in oncology and their monitoring and management in clinical practice: a narrative review. Support Care Cancer 2024; 32:685. [PMID: 39317778 PMCID: PMC11422253 DOI: 10.1007/s00520-024-08894-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Accepted: 09/19/2024] [Indexed: 09/26/2024]
Abstract
IMPORTANCE New anti-tumor treatments, such as immune checkpoint inhibitors and CAR T-cell therapy, are associated with an increasing number of neurological issues linked to tumors not arising from nervous system such as neurological and neuropsychological side effects that can significantly impair quality of life in the short or long term. The science of pathomechanisms, therapeutic approaches, and preventive measures is still in its early stages, and the progress is hampered by the lack of studied connection between neurological and oncological disciplines. OBJECTIVES This work aimed to provide an overview of the questions raised in the field of clinical neuroscience that concern the outcomes of oncological diseases and their treatment. Furthermore, we give an outline of how a collaborative approach between neurology and oncology, with the implementation of neuroscience techniques including up-to-date diagnostics and therapy, can help to improve the quality of oncological patients' lives. EVIDENCE REVIEW The covered areas of investigation in the evaluated articles primarily encompassed the review of known neurological complications of oncological diseases caused by neurotoxic mechanisms of performed therapies or those linked to concurrent pathological conditions. Similarly, the methods of their diagnostics were assessed. FINDINGS Our literature review of 65 articles, including clinical trials, cohort studies, reviews, and theoretically based in vitro studies published between 1998 and 2023, outlines the broad spectrum of neurological complications primarily associated with malignant diseases and the anti-tumor therapies employed. Notably, immune-mediated complications, whose incidence is increasing due to the expanding use of new immunotherapies, require early detection and targeted treatment to prevent severe progression. In this context, neurological complications mediated by immune checkpoint inhibitors are often associated with significant impairments and high mortality, necessitating specialist consultation for early detection and differentiation from other phenotypically similar syndromes. Current data on the pathophysiology of these neurological complications are not reliable due to the limited number of studies. Moreover, there is a lack of evidence regarding the appropriate oncological approach in the event of therapy-related complications. Initial study results suggest that the establishment of interdisciplinary treatment interfaces for the management of oncology patients could improve the safety of these therapies and enhance the patients' quality of life. CONCLUSIONS AND RELEVANCE The accumulated knowledge on neurotoxicity caused by oncological diseases shows that the challenges in diagnosing and managing this condition are expanding in tandem with the growing array of therapies being employed. Therefore, it requires interdisciplinary approach with the introduction of new facilities enabling more personalized patient care.
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Affiliation(s)
- Stefanie Fischer
- Center of Clinical Neuroscience, Department of Neurology, University Hospital Carl Gustav Carus, Technical University of Dresden, Dresden, Germany
| | - Malte von Bonin
- Department of Internal Medicine I, University Hospital and Faculty of Medicine Carl Gustav Carus of TU Dresden, Dresden, Germany
| | - Martin Bornhäuser
- Department of Internal Medicine I, University Hospital and Faculty of Medicine Carl Gustav Carus of TU Dresden, Dresden, Germany
| | - Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine of the TU Dresden, Dresden, Germany
| | - Tjalf Ziemssen
- Center of Clinical Neuroscience, Department of Neurology, University Hospital Carl Gustav Carus, Technical University of Dresden, Dresden, Germany.
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3
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Chisca M, Larouche JD, Xing Q, Kassiotis G. Antibodies against endogenous retroviruses. Immunol Rev 2024. [PMID: 39152687 DOI: 10.1111/imr.13378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/19/2024]
Abstract
The human genome harbors hundreds of thousands of integrations of ancient retroviruses, amassed over millions of years of evolution. To reduce further amplification in the genome, the host prevents transcription of these now endogenous retroviruses (ERVs) through epigenetic repression and, with evolutionary time, ERVs are incapacitated by accumulating mutations and deletions. However, several members of recently endogenized ERV groups still retain the capacity to produce viral RNA, retroviral proteins, and higher order structures, including virions. The retention of viral characteristics, combined with the reversible nature of epigenetic repression, particularly as seen in cancer, allow for immunologically unanticipated ERV expression, perceived by the adaptive immune system as a genuine retroviral infection, to which it has to respond. Accordingly, antibodies reactive with ERV antigens have been detected in diverse disorders and, occasionally, in healthy individuals. Although they are part of self, the retroviral legacy of ERV antigens, and association with and, possibly, causation of disease states may set them apart from typical self-antigens. Consequently, the pathogenic or, indeed, host-protective capacity of antibodies targeting ERV antigens is likely to be context-dependent. Here, we review the immunogenicity of typical ERV proteins, with emphasis on the antibody response and its potential disease implications.
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Affiliation(s)
- Mihaela Chisca
- Retroviral Immunology Laboratory, The Francis Crick Institute, London, UK
| | | | - Qi Xing
- Retroviral Immunology Laboratory, The Francis Crick Institute, London, UK
| | - George Kassiotis
- Retroviral Immunology Laboratory, The Francis Crick Institute, London, UK
- Department of Infectious Disease, Faculty of Medicine, Imperial College London, London, UK
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4
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Zekeridou A. Paraneoplastic Neurologic Disorders. Continuum (Minneap Minn) 2024; 30:1021-1051. [PMID: 39088287 DOI: 10.1212/con.0000000000001449] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2024]
Abstract
OBJECTIVE This article reviews the clinical presentations, neural antibody associations, and oncologic accompaniments of paraneoplastic neurologic syndromes and neurologic autoimmunity in the context of immune checkpoint inhibitor (ICI) cancer immunotherapy. LATEST DEVELOPMENTS Neural antibody discovery has improved the diagnosis of paraneoplastic neurologic syndromes. Neural antibodies also delineate the underlying disease pathophysiology and thus inform outcomes and treatments. Neural antibodies specific for extracellular proteins have pathogenic potential, whereas antibodies specific for intracellular targets are biomarkers of a cytotoxic T-cell immune response. A recent update in paraneoplastic neurologic syndrome criteria suggests high- and intermediate-risk phenotypes as well as neural antibodies to improve diagnostic accuracy in patients with paraneoplastic neurologic syndromes; a score was created based on this categorization. The introduction of ICI cancer immunotherapy has led to an increase in cancer-related neurologic autoimmunity with distinct clinical phenotypes. ESSENTIAL POINTS Paraneoplastic neurologic syndromes reflect an ongoing immunologic response to cancer mediated by effector T cells or antibodies. Paraneoplastic neurologic syndromes can present with manifestations at any level of the neuraxis, and neural antibodies aid diagnosis, focus cancer screening, and inform prognosis and therapy. In patients with high clinical suspicion of a paraneoplastic neurologic syndrome, cancer screening and treatment should be undertaken, regardless of the presence of a neural antibody. ICI therapy has led to immune-mediated neurologic complications. Recognition and treatment lead to improved outcomes.
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Saitou A, Shioya M, Nagahisa Y, Haseyama A, Niwa R, Tsuchimoto J, Chiba H. Small-cell Lung Carcinoma with Gastrointestinal Pseudo-obstruction as a Paraneoplastic Neurological Syndrome Elicited by an Immune Checkpoint Inhibitor. Intern Med 2024; 63:2059-2062. [PMID: 38044152 PMCID: PMC11309869 DOI: 10.2169/internalmedicine.2648-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 10/15/2023] [Indexed: 12/05/2023] Open
Abstract
Gastrointestinal pseudo-obstruction (GIPO) is a phenotype of the paraneoplastic neurological syndrome (PNS). We herein report a case of small-cell lung carcinoma (SCLC) with GIPO elicited by an immune checkpoint inhibitor (ICI). A 75-year-old man with SCLC developed intractable intestinal obstruction after receiving one course of anticancer drugs (durvalumab, etoposide, and carboplatin). The serum anti-Hu antibody (Hu-Ab) was positive, and the patient was diagnosed with GIPO. Corticosteroid treatment did not improve the GIPO, and the patient died. There are few reports of GIPO after ICI treatment in patients with lung cancer, so a further investigation will be required to elucidate the mechanism by which ICIs elicit PNS. Checking for neuronal antibodies may help identify patients with SCLC who are at risk of developing PNS due to ICI treatment.
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Affiliation(s)
- Atsushi Saitou
- Department of Respiratory Medicine, Otaru General Hospital, Japan
| | - Makoto Shioya
- Department of Respiratory Medicine, Otaru General Hospital, Japan
| | - Yuta Nagahisa
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Japan
| | - Aoi Haseyama
- Department of Respiratory Medicine, Tonan Hospital, Japan
| | - Rumi Niwa
- Department of Respiratory Medicine, Otaru General Hospital, Japan
| | - Jyuri Tsuchimoto
- Department of Respiratory Medicine, Otaru General Hospital, Japan
| | - Hirofumi Chiba
- Department of Respiratory Medicine and Allergology, Sapporo Medical University School of Medicine, Japan
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Viezens I, Knierim E, Deubzer HE, Hauptmann K, Fassbender J, Morales-Gonzalez S, Kaindl AM, Schuelke M, Nikolaus M. Expression of mGluR5 in Pediatric Hodgkin and Non-Hodgkin lymphoma-A Comparative Analysis of Immunohistochemical and Clinical Findings Regarding the Association between Tumor and Paraneoplastic Neurological Disease. Cancers (Basel) 2024; 16:2452. [PMID: 39001514 PMCID: PMC11240514 DOI: 10.3390/cancers16132452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 06/27/2024] [Accepted: 07/02/2024] [Indexed: 07/16/2024] Open
Abstract
Autoantibodies targeting the neuronal antigen metabotropic glutamate receptor 5 (mGluR5) have been identified in patients with Ophelia syndrome, which describes a co-occurrence of paraneoplastic limbic encephalitis and Hodgkin lymphoma (HL). Little data exist regarding frequency and function of mGluR5 in HL and its potential role in causing seropositive paraneoplastic disease. We studied a representative cohort of pediatric HL and NHL patients (n = 57) using immunohistochemistry and fluorescence staining to investigate mGluR5 expression. All lymphoma tissues displayed positive mGluR5 staining, with focus on Hodgkin-Reed-Sternberg (H-RS) cells. We did not detect any mGluR5 staining in tumor-free lymph nodes, which is consistent with the absence of GRM5 transcripts in RNA-sequencing data from non-malignant B and T cells. The frequent presence in pediatric lymphoma falls in line with reports of mGluR5 expression and associated tumor progression in other malignancies. We tested for correlation with clinical features, focusing on disease progression and neurological symptoms. Low mGluR5 expression in H-RS cells correlated with young patient age (<15 years) and positive histology for EBV infection. Paraneoplastic or neurological symptoms were found exclusively in HL patients. While an impact of mGluR5 on HL severity remains possible, a prognostic value of mGluR5 expression levels requires further investigation.
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Affiliation(s)
- Ingeborg Viezens
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany; (I.V.); (E.K.); (J.F.); (S.M.-G.); (M.S.)
- Department of Pediatric Neurology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany;
| | - Ellen Knierim
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany; (I.V.); (E.K.); (J.F.); (S.M.-G.); (M.S.)
- DRK Kliniken Westend, Klinik für Kinder- und Jugendmedizin, 14050 Berlin, Germany
| | - Hedwig E. Deubzer
- Department of Pediatric Oncology/Hematology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany;
- Experimental and Clinical Research Center (ECRC), Charité and Max-Delbrück-Center of Molecular Medicine, Helmholtz Association, 13125 Berlin, Germany
| | - Kathrin Hauptmann
- Institute of Pathology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany;
| | - Jessica Fassbender
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany; (I.V.); (E.K.); (J.F.); (S.M.-G.); (M.S.)
- Department of Pediatric Neurology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany;
| | - Susanne Morales-Gonzalez
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany; (I.V.); (E.K.); (J.F.); (S.M.-G.); (M.S.)
- Department of Pediatric Neurology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany;
| | - Angela M. Kaindl
- Department of Pediatric Neurology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany;
- Center for Chronically Sick Children, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
- Institute for Cell and Neurobiology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Markus Schuelke
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany; (I.V.); (E.K.); (J.F.); (S.M.-G.); (M.S.)
- Department of Pediatric Neurology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany;
- Center for Chronically Sick Children, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
| | - Marc Nikolaus
- NeuroCure Cluster of Excellence, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany; (I.V.); (E.K.); (J.F.); (S.M.-G.); (M.S.)
- Department of Pediatric Neurology, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany;
- Center for Chronically Sick Children, Charité-Universitätsmedizin Berlin, 10117 Berlin, Germany
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Villagrán-García M, Farina A, Arzalluz-Luque J, Campetella L, Muñiz-Castrillo S, Benaiteau M, Peter E, Dumez P, Wucher V, Dhairi M, Picard G, Rafiq M, Psimaras D, Rogemond V, Joubert B, Honnorat J. Dysautonomia in anti-Hu paraneoplastic neurological syndromes. J Neurol 2024; 271:3359-3369. [PMID: 38494470 DOI: 10.1007/s00415-024-12278-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/23/2024] [Accepted: 02/25/2024] [Indexed: 03/19/2024]
Abstract
BACKGROUND AND OBJECTIVES Dysautonomia has been associated with paraneoplastic neurological syndrome (PNS)-related mortality in anti-Hu PNS, but its frequency and spectrum remain ill-defined. We describe anti-Hu patients with dysautonomia, estimate its frequency, and compare them to patients without dysautonomia. METHODS Patients with anti-Hu antibodies diagnosed in the study centre (1990-2022) were retrospectively reviewed; those with autonomic signs and symptoms were identified. RESULTS Among 477 anti-Hu patients, 126 (26%) had dysautonomia (the only PNS manifestation in 7/126, 6%); gastrointestinal (82/126, 65%), cardiovascular (64/126, 51%), urogenital (24/126, 19%), pupillomotor/secretomotor (each, 11/126, 9%), and central hypoventilation (10/126, 8%). Patients with isolated CNS involvement less frequently had gastrointestinal dysautonomia than those with peripheral (alone or combined with CNS) involvement (7/23, 30% vs. 31/44, 70% vs. 37/52, 71%; P = 0.002); while more frequently central hypoventilation (7/23, 30% vs. 1/44, 2.3% vs. 2/52, 4%; P < 0.001) and/or cardiovascular alterations (18/23, 78% vs. 20/44, 45% vs. 26/52, 50%; P = 0.055). Median [95% CI] overall survival was not significantly different between patients with (37 [17; 91] months) or without dysautonomia (28 [22; 39] months; P = 0.78). Cardiovascular dysautonomia (HR: 1.57, 95% CI [1.05; 2.36]; P = 0.030) and central hypoventilation (HR: 3.51, 95% CI [1.54; 8.01]; P = 0.003) were associated with a higher risk of death, and secretomotor dysautonomia a lower risk (HR: 0.28, 95% CI [0.09; 0.89]; P = 0.032). Patients with cardiovascular dysautonomia dying ≤ 1 year from clinical onset had severe CNS (21/27, 78%), frequently brainstem (13/27, 48%), involvement. DISCUSSION Anti-Hu PNS dysautonomia is rarely isolated, frequently gastrointestinal, cardiovascular and urogenital. CNS dysfunction, particularly brainstem, associates with lethal cardiovascular alterations and central hypoventilation, while peripheral involvement preferentially associates with gastrointestinal or secretomotor dysautonomia, being the latest more indolent.
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Affiliation(s)
- Macarena Villagrán-García
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- MeLiS-UCBL-CNRS UMR 5284, INSERM U1314, University Claude Bernard Lyon 1, 69008, Lyon, France
| | - Antonio Farina
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- MeLiS-UCBL-CNRS UMR 5284, INSERM U1314, University Claude Bernard Lyon 1, 69008, Lyon, France
- Department of Neuroscience, Psychology, Pharmacology and Child Health, University of Florence, 50139, Florence, Italy
| | - Joaquín Arzalluz-Luque
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- Department of Neurology, Hospital Universitario Virgen Macarena, 41009, Seville, Spain
| | - Lucia Campetella
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
| | - Sergio Muñiz-Castrillo
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- Center for Sleep Sciences and Medicine, Stanford University, Palo Alto, CA, 94304, USA
| | - Marie Benaiteau
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
| | - Elise Peter
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- MeLiS-UCBL-CNRS UMR 5284, INSERM U1314, University Claude Bernard Lyon 1, 69008, Lyon, France
| | - Pauline Dumez
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- MeLiS-UCBL-CNRS UMR 5284, INSERM U1314, University Claude Bernard Lyon 1, 69008, Lyon, France
| | - Valentin Wucher
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- MeLiS-UCBL-CNRS UMR 5284, INSERM U1314, University Claude Bernard Lyon 1, 69008, Lyon, France
| | - Maroua Dhairi
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
| | - Géraldine Picard
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
| | - Marie Rafiq
- Department of Neurology, University Hospital of Toulouse, 31300, Toulouse, France
| | - Dimitri Psimaras
- Neurology 2 Department Mazarin, AP-HP, Hospital Group Pitié-Salpêtrière, 75013, Paris, France
- Inserm, CNRS, Paris Brain Institute, Institut du Cerveau et de la Moelle Épinière (ICM), 75013, Paris, France
| | - Véronique Rogemond
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- MeLiS-UCBL-CNRS UMR 5284, INSERM U1314, University Claude Bernard Lyon 1, 69008, Lyon, France
| | - Bastien Joubert
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France
- MeLiS-UCBL-CNRS UMR 5284, INSERM U1314, University Claude Bernard Lyon 1, 69008, Lyon, France
| | - Jérôme Honnorat
- French Reference Centre on Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, 59 Bd Pinel, 69677, Bron Cedex, France.
- MeLiS-UCBL-CNRS UMR 5284, INSERM U1314, University Claude Bernard Lyon 1, 69008, Lyon, France.
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Solheim ET, Gerking Y, Kråkenes T, Herdlevær I, Birkeland E, Totland C, Dick F, Vedeler CA. Multi-omics profiling reveals dysregulated ribosome biogenesis and impaired cell proliferation following knockout of CDR2L. BMC Cancer 2024; 24:645. [PMID: 38802745 PMCID: PMC11129367 DOI: 10.1186/s12885-024-12399-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 05/17/2024] [Indexed: 05/29/2024] Open
Abstract
BACKGROUND Cerebellar degeneration-related (CDR) proteins are associated with paraneoplastic cerebellar degeneration (PCD) - a rare, neurodegenerative disease caused by tumour-induced autoimmunity against neural antigens resulting in degeneration of Purkinje neurons in the cerebellum. The pathogenesis of PCD is unknown, in large part due to our limited understanding of the functions of CDR proteins. To this end, we performed an extensive, multi-omics analysis of CDR-knockout cells focusing on the CDR2L protein, to gain a deeper understanding of the properties of the CDR proteins in ovarian cancer. METHODS Ovarian cancer cell lines lacking either CDR1, CDR2, or CDR2L were analysed using RNA sequencing and mass spectrometry-based proteomics to assess changes to the transcriptome, proteome and secretome in the absence of these proteins. RESULTS For each knockout cell line, we identified sets of differentially expressed genes and proteins. CDR2L-knockout cells displayed a distinct expression profile compared to CDR1- and CDR2-knockout cells. Knockout of CDR2L caused dysregulation of genes involved in ribosome biogenesis, protein translation, and cell cycle progression, ultimately causing impaired cell proliferation in vitro. Several of these genes showed a concurrent upregulation at the transcript level and downregulation at the protein level. CONCLUSIONS Our study provides the first integrative multi-omics analysis of the impact of knockout of the CDR genes, providing both new insights into the biological properties of the CDR proteins in ovarian cancer, and a valuable resource for future investigations into the CDR proteins.
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Affiliation(s)
- Eirik Tveit Solheim
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.
- Neuro-SysMed - Centre of Excellence for Experimental Therapy in Neurology, Departments of Neurology and Clinical Medicine, Bergen, Norway.
| | - Yola Gerking
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
- Neuro-SysMed - Centre of Excellence for Experimental Therapy in Neurology, Departments of Neurology and Clinical Medicine, Bergen, Norway
| | - Torbjørn Kråkenes
- Neuro-SysMed - Centre of Excellence for Experimental Therapy in Neurology, Departments of Neurology and Clinical Medicine, Bergen, Norway
- Department of Neurology, Haukeland University Hospital, Bergen, Norway
| | - Ida Herdlevær
- Neuro-SysMed - Centre of Excellence for Experimental Therapy in Neurology, Departments of Neurology and Clinical Medicine, Bergen, Norway
- Department of Neurology, Haukeland University Hospital, Bergen, Norway
| | | | - Cecilie Totland
- Neuro-SysMed - Centre of Excellence for Experimental Therapy in Neurology, Departments of Neurology and Clinical Medicine, Bergen, Norway
- Department of Neurology, Haukeland University Hospital, Bergen, Norway
| | - Fiona Dick
- Neuro-SysMed - Centre of Excellence for Experimental Therapy in Neurology, Departments of Neurology and Clinical Medicine, Bergen, Norway
| | - Christian Alexander Vedeler
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
- Neuro-SysMed - Centre of Excellence for Experimental Therapy in Neurology, Departments of Neurology and Clinical Medicine, Bergen, Norway
- Department of Neurology, Haukeland University Hospital, Bergen, Norway
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9
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Zhou J, Jin M, Su Y, Zhuo X, Fu L, Ren X, Ren C, Zhou A, Li J, Zhang W. Clinical Presentation, Management, and Diagnostic Performance of 2021 Criteria for Paraneoplastic Neurologic Syndromes in Childhood. NEUROLOGY(R) NEUROIMMUNOLOGY & NEUROINFLAMMATION 2024; 11:e200242. [PMID: 38657195 PMCID: PMC11087047 DOI: 10.1212/nxi.0000000000200242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 02/08/2024] [Indexed: 04/26/2024]
Abstract
BACKGROUND AND OBJECTIVES Paraneoplastic neurologic syndromes (PNSs) are remote neurologic immune-related effects of tumors. The clinical characteristics of pediatric PNSs remain unclear. We retrospectively examined the clinical characteristics of cases of pediatric PNSs and assessed the performance of the 2021 diagnostic criteria in children. METHODS Patients hospitalized in the Beijing Children's Hospital between June 2015 and June 2023 and fulfilling the description of definite by 2004 diagnostic criteria of PNSs were included. A retrospective analysis of clinical characteristics was conducted, and the 2021 diagnostic criteria were applied to rediagnostic stratification. RESULTS Among the 42 patients included, the most common neurologic syndrome was opsoclonus-myoclonus syndrome (OMS) (62%), followed by rapidly progressive cerebellar syndrome (26%). Most tumors were neuroblastomas (88%), with few being ovarian teratomas (10%). Approximately 71% (30/42) of patients were classified as definite and 24% (10/42) as probable according to the 2021 criteria. All cases judged as probable exhibited rapidly progressive cerebellar ataxia with neuroblastoma. For OMS, chemotherapy was administered based on the tumor's risk stage, accompanied by regular infusion of IV gamma globulin and oral steroids following tumor diagnosis. Twenty-one patients underwent regular follow-ups over 4.92 (0.58-7.58) years. The initial hospitalization recorded a median score of 12 (7-14) on the Mitchell and Pike OMS rating scale, decreasing to 0 (0-5) at the final follow-up. In cases of rapidly progressive cerebellar syndrome, a similar therapeutic regimen was used. Nine patients underwent regular follow-ups over 4.42 (1.17-7.50) years. The mean modified Rankin scale score at first hospitalization was 4 (3-4), reducing to 1 (0-4) at the final follow-up. Only 17% (5/30) of patients across both groups exhibited poor response to this regimen. Among these 5 patients, 4 belonged to the low-risk group (without chemotherapy). DISCUSSION OMS followed by rapidly progressive cerebellar ataxia are the most common forms of PNSs in children and are associated with neuroblastoma. An aggressive approach with multiple immunotherapies may improve the prognosis of neuroblastoma-associated PNSs. The 2021 criteria perform well in pediatric PNSs. However, we propose upgrading the classification of antibody-negative rapidly progressive cerebellar ataxia with neuroblastoma to definite diagnosis. This adjustment aims to further improve the diagnostic efficacy of this diagnostic criterion in childhood.
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Affiliation(s)
- Ji Zhou
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Mei Jin
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Yan Su
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Xiuwei Zhuo
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Libing Fu
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Xiaotun Ren
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Changhong Ren
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Anna Zhou
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Jiuwei Li
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
| | - Weihua Zhang
- From the Department of Neurology (J.Z., X.Z., X.R., C.R., A.Z., J.L., W.Z.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health; Medical Oncology Department (M.J., Y.S.), Pediatric Oncology Center, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing Key Laboratory of Pediatric Hematology Oncology, Key Laboratory of Major Diseases in Children; and Department of Pathology (L.F.), Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, China
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10
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Manto M, Hadjivassiliou M, Baizabal-Carvallo JF, Hampe CS, Honnorat J, Joubert B, Mitoma H, Muñiz-Castrillo S, Shaikh AG, Vogrig A. Consensus Paper: Latent Autoimmune Cerebellar Ataxia (LACA). CEREBELLUM (LONDON, ENGLAND) 2024; 23:838-855. [PMID: 36991252 PMCID: PMC10060034 DOI: 10.1007/s12311-023-01550-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/20/2023] [Indexed: 06/01/2023]
Abstract
Immune-mediated cerebellar ataxias (IMCAs) have diverse etiologies. Patients with IMCAs develop cerebellar symptoms, characterized mainly by gait ataxia, showing an acute or subacute clinical course. We present a novel concept of latent autoimmune cerebellar ataxia (LACA), analogous to latent autoimmune diabetes in adults (LADA). LADA is a slowly progressive form of autoimmune diabetes where patients are often initially diagnosed with type 2 diabetes. The sole biomarker (serum anti-GAD antibody) is not always present or can fluctuate. However, the disease progresses to pancreatic beta-cell failure and insulin dependency within about 5 years. Due to the unclear autoimmune profile, clinicians often struggle to reach an early diagnosis during the period when insulin production is not severely compromised. LACA is also characterized by a slowly progressive course, lack of obvious autoimmune background, and difficulties in reaching a diagnosis in the absence of clear markers for IMCAs. The authors discuss two aspects of LACA: (1) the not manifestly evident autoimmunity and (2) the prodromal stage of IMCA's characterized by a period of partial neuronal dysfunction where non-specific symptoms may occur. In order to achieve an early intervention and prevent cell death in the cerebellum, identification of the time-window before irreversible neuronal loss is critical. LACA occurs during this time-window when possible preservation of neural plasticity exists. Efforts should be devoted to the early identification of biological, neurophysiological, neuropsychological, morphological (brain morphometry), and multimodal biomarkers allowing early diagnosis and therapeutic intervention and to avoid irreversible neuronal loss.
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Affiliation(s)
- Mario Manto
- Service de Neurologie, Médiathèque Jean Jacquy, CHU-Charleroi, Charleroi, Belgium
- Service des Neurosciences, University of Mons, Mons, Belgium
| | | | | | | | - Jerome Honnorat
- French Reference Center on Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Institut NeuroMyoGene MELIS INSERM U1314/CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Bastien Joubert
- French Reference Center on Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Institut NeuroMyoGene MELIS INSERM U1314/CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Hiroshi Mitoma
- Department of Medical Education, Tokyo Medical University, Tokyo, Japan.
| | | | - Aasef G Shaikh
- Louis Stokes Cleveland VA Medical Center, University Hospitals Cleveland Medical Center, Cleveland, OH, USA
| | - Alberto Vogrig
- Clinical Neurology, Udine University Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy
- Department of Medicine (DAME), University of Udine, Udine, Italy
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11
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Murakami T, Otomo Y, Ito T, Imai S, Ohba T. A Case of MET Exon 14 Skipping Mutation: Positive Lung Adenocarcinoma Complicated by Paraneoplastic Neurological Syndrome. Cureus 2024; 16:e57658. [PMID: 38707111 PMCID: PMC11070149 DOI: 10.7759/cureus.57658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/05/2024] [Indexed: 05/07/2024] Open
Abstract
A 67-year-old man with cervical spondylotic myelopathy undergoing conservative treatment presented with subacute progression of fine motor and ambulatory disturbances, leading to admission at a previous hospital. Pre-cervical laminoplasty chest computed tomography (CT) revealed a tumor in the left upper lobe of the lung, prompting transfer to our institution. Transbronchial biopsy findings were consistent with adenocarcinoma, diagnosed as clinical stage T2bN0M0, Stage IIA. The neurological abnormalities could not be solely attributed to cervical spondylotic myelopathy, leading to a diagnosis of concurrent paraneoplastic neurological syndrome (PNS). During hospitalization, the patient's condition progressed to a state of constant bed rest within two weeks. On the 17th hospital day, a left upper lobectomy was performed, resulting in significant improvement, allowing the patient to ambulate with assistance after two weeks, and transfer to a convalescent rehabilitation hospital on the 58th hospital day. Subsequent cancer multigene panel testing revealed a positive MET exon 14 skipping mutation. Given the absence of reports on this mutation in lung adenocarcinoma associated with PNS, we consider it rare and thus report this case.
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Affiliation(s)
- Takumi Murakami
- Respiratory Medicine, Ome Municipal General Hospital, Tokyo, JPN
| | - Yutaro Otomo
- Respiratory Medicine, Ome Municipal General Hospital, Tokyo, JPN
| | - Tatsuya Ito
- Respiratory Medicine, Ome Municipal General Hospital, Tokyo, JPN
| | - Sachiko Imai
- Thoracic Surgery, Ome Municipal General Hospital, Tokyo, JPN
| | - Takehiko Ohba
- Respiratory Medicine, Ome Municipal General Hospital, Tokyo, JPN
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12
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Seki T, Baba K, Hayashi T, Furuta R, Hirosawa H, Mitsui T, Maesaka H, Takasawa S, Miwa T, Tanaka K, Nakatsuji Y. Lung Cancer Wherein Durvalumab Induced Both Anti-CRMP-5 Antibody-related Paraneoplastic Neurological Syndromes and Neurological Adverse Events. Intern Med 2024; 63:1009-1014. [PMID: 37612090 PMCID: PMC11045384 DOI: 10.2169/internalmedicine.1771-23] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 07/17/2023] [Indexed: 08/25/2023] Open
Abstract
A 68-year-old man with small-cell lung cancer developed anti-collapsin response-mediator protein (CRMP)-5 antibody-related paraneoplastic neurological syndrome (PNS) presenting with ataxia and chorea during treatment with durvalumab. As a result of steroid therapy, anti-CRMP-5 antibodies became negative, hyperintense lesions on brain magnetic resonance imaging disappeared, and neurological symptoms improved. After resuming durvalumab, he became unable to walk due to neurological adverse events (nAEs). There have been no reported cases manifesting PNSs and nAEs as a result of the same immune checkpoint inhibitors (ICIs) administered at different times. Resuming ICIs in patients diagnosed with PNSs should be performed with prudence.
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Affiliation(s)
- Tomokazu Seki
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Kousuke Baba
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Tomohiro Hayashi
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Risako Furuta
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Hiroaki Hirosawa
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Taichi Mitsui
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Hiroki Maesaka
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Syuhei Takasawa
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
| | - Toshiro Miwa
- First Department of Internal Medicine, Toyama University Hospital, Japan
| | - Keiko Tanaka
- Department of Animal Model Development, Bioresource Science Branch, Center for Bioresource-based Research, Brain Research Institute, Niigata University, Japan
| | - Yuji Nakatsuji
- Department of Neurology, Faculty of Medicine, University of Toyama, Japan
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13
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Otis SU, Banna GL, Maniam A. The association between paraneoplastic neurological syndromes (PNS) and urothelial carcinoma - A review of the literature. Crit Rev Oncol Hematol 2024; 196:104314. [PMID: 38447785 DOI: 10.1016/j.critrevonc.2024.104314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 02/10/2024] [Accepted: 02/26/2024] [Indexed: 03/08/2024] Open
Abstract
Paraneoplastic neurological syndromes (PNS) are rare neurological disorders arising from malignancy-triggered autoimmunity, yet their association with urothelial carcinoma remains unclear. This systematic review intends to explore any connection, alongside patient/clinical features and management. A literature search identified 25 cases of bladder and upper tract carcinoma linked to PNS. Overall, while infrequent, a meaningful association between PNS and urothelial carcinoma was found in that 84% of cases met a 'possible'-or-'higher-likelihood' PNS diagnosis. Most cases presented with high-risk PNS phenotypes, predominantly cerebellar syndromes and encephalomyelitis/sensory neuronopathy, ∼17 months within cancer diagnosis/recurrence. Review findings suggest a female preponderance in suspected PNS despite higher male incidence of urothelial cancer. Main treatments consisted of surgery alongside chemotherapy or immunotherapeutics (IVIG and/or corticosteroids), which improved symptoms for a slight majority (60%). Ultimately, while common PNS-associated neoplasms should always first be excluded in suspected PNS, in the absence of alternative causes, urothelial carcinomas do merit clinical consideration.
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Affiliation(s)
- Sarafina Urenna Otis
- Medical Sciences Division, University of Oxford, John Radcliffe Hospital, Oxford, England OX3 9DU, UK
| | - Giuseppe Luigi Banna
- Portsmouth Hospitals University NHS Trust, Portsmouth, England PO6 3LY, UK; Faculty of Science and Health, School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, England PO1 2UP, UK
| | - Akash Maniam
- Portsmouth Hospitals University NHS Trust, Portsmouth, England PO6 3LY, UK; Caribbean Cancer Research Institute, Chanka Trace El Socorro South, Trinidad and Tobago.
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14
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Handzic A, Brossard-Barbosa N, Mandell D, Lou SK, Margolin E. Anti-Ma2 Antibody-Mediated Paraneoplastic Cerebellar Degeneration and Myeloneuropathy Secondary to Lymphoma. J Neuroophthalmol 2024; 44:129-132. [PMID: 37792483 DOI: 10.1097/wno.0000000000002005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/06/2023]
Abstract
ABSTRACT A 61-year-old woman with a history of untreated low-grade B-cell lymphoma presented with blurry vision, unsteadiness, and worsening pain on touching skin of the upper trunk was enrolled. Blurry vision was attributed to oscillopsia from downbeat nystagmus, which later evolved into macrosaccadic oscillations. MRI brain and spine showed mild, longitudinally extensive T2 hyperintensity in the central gray matter of the spinal cord extending from the medulla to T11 level. Serum paraneoplastic panel was negative; however, she had very high titers of anti-Ma2 antibodies in cerebrospinal fluid. The diagnosis of paraneoplastic neurological syndrome was made. Empiric treatment with high dose of intravenous steroids followed by intravenous immunoglobulin infusions did not improve her symptoms. An extensive search for an underlying tumor commenced and was initially unrevealing. However, two-month follow-up positron emission tomography scan showed increased uptake in a right pulmonary nodule, which when biopsied confirmed diagnosis of extranodal marginal zone lymphoma. The final diagnosis was anti-Ma2 antibody-mediated paraneoplastic cerebellar degeneration and myeloneuropathy secondary to lymphoma.
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Affiliation(s)
- Armin Handzic
- Faculty of Medicine (AH, NB-B, EM), Department of Ophthalmology and Vision Sciences, University of Toronto, Toronto, Canada; Faculty of Medicine (DM), Department of Clinical Imaging, University of Toronto, Toronto, Canada; Faculty of Medicine (SKL), Department of Laboratory Medicine, University of Toronto, Toronto, Canada; and Faculty of Medicine (EM), Division of Neurology, Department of Medicine, University of Toronto, Toronto, Canada
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15
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Norrito RL, Puleo MG, Pintus C, Basso MG, Rizzo G, Di Chiara T, Di Raimondo D, Parrinello G, Tuttolomondo A. Paraneoplastic Cerebellar Degeneration Associated with Breast Cancer: A Case Report and a Narrative Review. Brain Sci 2024; 14:176. [PMID: 38391750 PMCID: PMC10887192 DOI: 10.3390/brainsci14020176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 01/23/2024] [Accepted: 02/07/2024] [Indexed: 02/24/2024] Open
Abstract
Paraneoplastic neurological syndromes (PNSs) are an uncommon complication of cancer, affecting nearby 1/10,000 subjects with a tumour. PNSs can involve all the central and peripheral nervous systems, the muscular system, and the neuromuscular junction, causing extremely variable symptomatology. The diagnosis of the paraneoplastic disease usually precedes the clinical manifestations of cancer, making an immediate recognition of the pathology crucial to obtain a better prognosis. PNSs are autoimmune diseases caused by the expression of common antigens by the tumour and the nervous system. Specific antibodies can help clinicians diagnose them, but unfortunately, they are not always detectable. Immunosuppressive therapy and the treatment of cancer are the cornerstones of therapy for PNSs. This paper reports a case of PNSs associated with breast tumours and focuses on the most common paraneoplastic neurological syndromes. We report a case of a young female with a clinical syndrome of the occurrence of rigidity in the right lower limb with postural instability with walking supported and diplopia, with a final diagnosis of paraneoplastic cerebellar degeneration and seronegative rigid human syndrome associated with infiltrating ductal carcinoma of the breast.
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Affiliation(s)
- Rosario Luca Norrito
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Maria Grazia Puleo
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Chiara Pintus
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Maria Grazia Basso
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Giuliana Rizzo
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Tiziana Di Chiara
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Domenico Di Raimondo
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Gaspare Parrinello
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
| | - Antonino Tuttolomondo
- U.O.C di Medicina Interna con Stroke Care, Dipartimento di Promozione della Salute, Materno-Infantile, di Medicina Interna e Specialistica di Eccellenza "G. D'Alessandro", University of Palermo, 90127 Palermo, Italy
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16
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Verma N, Jaffer MH, Kolli AS, Mokhtari S. Updates in the Management of Paraneoplastic Syndrome. Semin Neurol 2024; 44:36-46. [PMID: 38183975 DOI: 10.1055/s-0043-1777353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2024]
Abstract
Paraneoplastic neurological syndromes (PNS) are defined as remote neurologic immune-mediated effects triggered by underlying systemic tumors. While recognizing specific syndromes can aid early cancer detection, overutilization of paraneoplastic assays in the absence of a classic syndrome can precipitate overdiagnosis and overtreatment. PNS involve autoantibodies targeting intracellular or extracellular antigens, with variable immunotherapy responses based on antigen type. Diagnosing PNS is challenging, requiring exclusion of other differential diagnoses. New diagnostic criteria classify PNS into high-risk and intermediate-risk phenotypes based on clinical phenotype, neuronal antibodies, and cancer presence. Patients with cell surface antibodies respond better to immunotherapies compared to those with intracellular antigen targets. Understanding PNS syndromes, serological markers, and oncological features guides management, which facilitates initiation of immunosuppression for PNS alongside treatment of the underlying neoplasm, thereby improving neurologic and oncologic outcomes. Initial treatments often include intravenous methylprednisolone, plasma exchange, or intravenous immunoglobulins. Second-line immunosuppressants like rituximab or cyclophosphamide may be necessary if initial treatments fail. Specific therapies vary based on antibody target. Here, we summarize the current approach to the investigation, diagnosis, and treatment of patients with suspected PNS.
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Affiliation(s)
- Neha Verma
- Department of Internal Medicine, Moffitt Cancer Center, Tampa, Florida
| | | | - Avinash S Kolli
- Department of Neurology, University of South Florida, Tampa, Florida
| | - Sepideh Mokhtari
- Department of Neuro-Oncology, Moffitt Cancer Center, Tampa, Florida
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17
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Peter E, Honnorat J, Desestret V. Paraneoplastic neurologic syndrome associated with gynecologic and breast malignancies. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:409-417. [PMID: 38494293 DOI: 10.1016/b978-0-12-823912-4.00014-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Gynecologic and breast malignancies are the cancers most commonly associated with paraneoplastic neurologic syndromes, of which the foremost is Yo [Purkinje cell antibody, type 1 (PCA-1)] paraneoplastic cerebellar degeneration. Yo syndrome affects women in the sixth decade and manifests as a subacute severe cerebellar ataxia. The association of the typical clinical picture with the detection of Yo antibodies in a patient's serum or CSF defines the diagnosis. Yo syndrome is always associated with a cancer, and the search for the underlying tumor should focus on ovarian and breast cancers and be repeated overtime if negative. The Yo autoantibodies are directed against the Yo antigens, aberrantly overexpressed by tumor cells with frequent somatic mutations and gene amplifications. The massive infiltration of these tumors by immune cells suggests that they are the site of the immune tolerance breakdown, leading to the destruction of Purkinje cells harboring the Yo antigens. Despite a growing understanding of the immunologic mechanisms, efficient therapeutic options are still lacking. Anti-Ri and antiamphiphysin syndromes are rarer and associated with breast cancers; a wide variety of other rare paraneoplastic neurologic syndromes have been described in association with gynecologic and breast malignancies that, though sharing some similarities, may have specific immune and genetics features leading to the immune tolerance breakdown.
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Affiliation(s)
- Elise Peter
- French Reference Center for Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Lyon, France; Synaptopathies and Autoantibodies (SynatAc) Team, Institut MeLis, Inserm U1314, UMR CNRS 5284, University Claude Bernard Lyon 1, Lyon, France
| | - Jérôme Honnorat
- French Reference Center for Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Lyon, France; Synaptopathies and Autoantibodies (SynatAc) Team, Institut MeLis, Inserm U1314, UMR CNRS 5284, University Claude Bernard Lyon 1, Lyon, France.
| | - Virginie Desestret
- French Reference Center for Paraneoplastic Neurological Syndromes, Hospices Civils de Lyon, Lyon, France; Synaptopathies and Autoantibodies (SynatAc) Team, Institut MeLis, Inserm U1314, UMR CNRS 5284, University Claude Bernard Lyon 1, Lyon, France
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18
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Brigo F, Zelano J, Abraira L, Bentes C, Ekdahl CT, Lattanzi S, Ingvar Lossius M, Redfors P, Rouhl RPW, Russo E, Sander JW, Vogrig A, Wickström R. Proceedings of the "International Congress on Structural Epilepsy & Symptomatic Seizures" (STESS, Gothenburg, Sweden, 29-31 March 2023). Epilepsy Behav 2024; 150:109538. [PMID: 38039602 DOI: 10.1016/j.yebeh.2023.109538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 11/09/2023] [Accepted: 11/09/2023] [Indexed: 12/03/2023]
Affiliation(s)
- Francesco Brigo
- Innovation, Research and Teaching Service (SABES-ASDAA), Teaching Hospital of the Paracelsus Medical Private University (PMU), Bolzano, Italy.
| | - Johan Zelano
- Department of Neurology, Sahlgrenska University Hospital, Gothenburg, Sweden; Institute of Neuroscience and Physiology, Department of Clinical Neuroscience, Sahlgrenska Academy, Gothenburg University, Sweden; Wallenberg Center of Molecular and Translational Medicine, Gothenburg University, Sweden
| | - Laura Abraira
- Neurology Department, Epilepsy Unit, Hospital Universitari Vall d'Hebron, Universitat Autònoma de Barcelona, Barcelona, Spain; Epilepsy Unit, Neurology Department, Vall d'Hebron University Hospital, Barcelona, Spain; Epilepsy Research Group, Vall d'Hebron Institut de Recerca (VHIR), Barcelona, Spain
| | - Carla Bentes
- Neurophysiological Monitoring Unit - EEG/Sleep Laboratory, Refractory Epilepsy Reference Centre (member of EpiCARE), Centro Hospitalar Universitário Lisboa Norte, Lisbon, Portugal; Centro de Estudos Egas Moniz, Faculty of Medicine, Lisbon University, Lisbon, Portugal
| | - Christine T Ekdahl
- Division of Clinical Neurophysiology and Department of Clinical Sciences, Lund University, Sweden; Lund Epilepsy Center, Department of Clinical Sciences, Lund University, Sweden
| | - Simona Lattanzi
- Neurological Clinic, Department of Experimental and Clinical Medicine, Marche Polytechnic University, Ancona, Italy
| | - Morten Ingvar Lossius
- National Centre for Epilepsy, Division of Clinical Neuroscience, Oslo University Hospital, Member of the ERN EpiCARE, Oslo, Norway; Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Petra Redfors
- Department of Neurology, Member of the ERN EpiCARE, Sahlgrenska University Hospital, Gothenburg, Sweden; Department of Clinical Neuroscience, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Rob P W Rouhl
- Department of Neurology, Maastricht University Medical Centre+, Maastricht, The Netherlands; Academic Centre for Epileptology Kempenhaeghe/MUMC+ Heeze and Maastricht, The Netherlands; School for Mental Health and Neuroscience, Maastricht University, Maastricht, The Netherlands
| | - Emilio Russo
- Science of Health Department, University Magna Grecia of Catanzaro, Italy
| | - Josemir W Sander
- Department of Clinical & Experimental Epilepsy, UCL Queen Square Institute of Neurology, Queen Square, London, UK; Centre for Epilepsy, Chalfont St Peter, Bucks., SL9 0RJ, United Kingdom; Stichting Epilepsie Instellingen Nederland (SEIN), Heemstede 2103 SW, The Netherlands; Neurology Department, West of China Hospital, Sichuan University, Chengdu 610041, China
| | - Alberto Vogrig
- Department of Medicine (DAME), University of Udine, Udine, Italy; Clinical Neurology, Department of Head-Neck and Neuroscience, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy
| | - Ronny Wickström
- Neuropediatric Unit, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
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19
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McKeon A, Tracy J. Paraneoplastic movement disorders. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:211-227. [PMID: 38494279 DOI: 10.1016/b978-0-12-823912-4.00004-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Paraneoplastic movement disorders are diverse autoimmune neurological illnesses occurring in the context of systemic cancer, either in isolation or as part of a multifocal neurological disease. Movement phenomena may be ataxic, hypokinetic (parkinsonian), or hyperkinetic (myoclonus, chorea, or other dyskinetic disorders). Some disorders mimic neurodegenerative or hereditary illnesses. The subacute onset and coexisting nonclassic features of paraneoplastic disorders aid distinction. Paraneoplastic autoantibodies provide further information regarding differentiating cancer association, disease course, and treatment responses. A woman with cerebellar ataxia could have metabotropic glutamate receptor 1 autoimmunity, in the setting of Hodgkin lymphoma, a mild neurological phenotype and response to immunotherapy. A different woman, also with cerebellar ataxia, could have Purkinje cytoplasmic antibody type 1 (anti-Yo), accompanying ovarian adenocarcinoma, a rapidly progressive phenotype and persistent disabling deficits despite immune therapy. The list of antibody biomarkers is growing year-on-year, each with its own ideal specimen type for detection (serum or CSF), accompanying neurological manifestations, cancer association, treatment response, and prognosis. Therefore, a profile-based approach to screening both serum and CSF is recommended. Immune therapy trials are generally undertaken, and include one or more of corticosteroids, IVIg, plasma exchange, rituximab, or cyclophosphamide. Symptomatic therapies can also be employed for hyperkinetic disorders.
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Affiliation(s)
- Andrew McKeon
- Department of Neurology, Mayo Clinic, Rochester, MN, United States; Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States.
| | - Jennifer Tracy
- Department of Neurology, Mayo Clinic, Rochester, MN, United States
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20
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Kadish R, Clardy SL. Epidemiology of paraneoplastic neurologic syndromes. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:57-77. [PMID: 38494297 DOI: 10.1016/b978-0-12-823912-4.00011-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Paraneoplastic neurologic syndromes (PNS), initially depicted as seemingly cryptic remote manifestations of malignancy, were first described clinically in the early 20th century, with pathophysiologic correlates becoming better elucidated in the latter half of the century. There remain many questions not only about the pathophysiology but also regarding the epidemiology of these conditions. The continuous discovery of novel autoantigens and related neurologic disease has broadened the association in classical PNS to include conditions such as paraneoplastic cerebellar degeneration. It has also brought into focus several other neurologic syndromes with a putative neoplastic association. These conditions are overall rare, making it difficult to capture large numbers of patients to study, and raising the question of whether incidence is increasing over time or improved identification is driving the increased numbers of cases. With the rise and increasing use of immunotherapy for cancer treatment, the incidence of these conditions is additionally expected to rise and may present with various clinical symptoms. As we enter an era of clinical trial intervention in these conditions, much work is needed to capture more granular data on population groups defined by socioeconomic characteristics such as age, ethnicity, economic resources, and gender to optimize care and clinical trial planning.
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Affiliation(s)
- Robert Kadish
- Department of Neurology, University of Utah, Salt Lake City, UT, United States
| | - Stacey L Clardy
- Department of Neurology, University of Utah, Salt Lake City, UT, United States; George E. Wahlen Department of Veterans Affairs Medical Center, Salt Lake City, UT, United States.
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21
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Abbatemarco JR, Vedeler CA, Greenlee JE. Paraneoplastic cerebellar and brainstem disorders. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:173-191. [PMID: 38494276 DOI: 10.1016/b978-0-12-823912-4.00030-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Paraneoplastic cerebellar and brainstem disorders are a heterogeneous group that requires prompt recognition and treatment to help prevent irreversible neurologic injury. Paraneoplastic cerebellar degeneration is best characterized by Yo antibodies in patients with breast or ovarian cancer. Tr (DNER) antibodies in patients with Hodgkin lymphoma can also present with a pure cerebellar syndrome and is one of the few paraneoplastic syndromes found with hematological malignancy. Opsoclonus-myoclonus-ataxia syndrome presents in both pediatric and adult patients with characteristic clinical findings. Other paraneoplastic brainstem syndromes are associated with Ma2 and Hu antibodies, which can cause widespread neurologic dysfunction. The differential for these disorders is broad and also includes pharmacological side effects, infection or postinfectious processes, and neurodegenerative diseases. Although these immune-mediated disorders have been known for many years, mechanisms of pathogenesis are still unclear, and optimal treatment has not been established.
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Affiliation(s)
- Justin R Abbatemarco
- Mellen Center for Multiple Sclerosis Treatment and Research, Neurological Institute, Cleveland Clinic Foundation, Cleveland, OH, United States.
| | - Christian A Vedeler
- Neuro-SysMed, Department of Neurology, Haukeland University Hospital, University of Bergen, Bergen, Norway; Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - John E Greenlee
- Neurology Service, George E. Wahlen Veterans Affairs Health Care System, Salt Lake City, UT, United States; Department of Neurology, University of Utah, Salt Lake City, UT, United States
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22
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Jean MJ, Samkoff L, Mohile N. Management of Paraneoplastic Syndromes in the Era of Immune Checkpoint Inhibitors. Curr Treat Options Oncol 2024; 25:42-65. [PMID: 38198120 DOI: 10.1007/s11864-023-01157-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/22/2023] [Indexed: 01/11/2024]
Abstract
OPINION STATEMENT Our understanding of paraneoplastic neurologic syndromes (PNS) has blossomed over the past few decades. Clinicians have access to more robust diagnostic criteria and have a heightened index of suspicion for these disorders. Nonetheless, treatment, which typically includes immunosuppression, and response to treatment, varies. Due to persistent difficulty in making a definitive diagnosis, we favor empiric treatment when a possible diagnosis of PNS is suspected, and other alternative causes have substantially been excluded (e.g., infections, toxic-metabolic derangements, metastasis, or leptomeningeal disease). Treatment of the underlying cancer, if identified, is the first therapeutic step and can prevent disease worsening and in rare cases, can reverse neurologic symptoms. In addition to anti-cancer treatment, first line immunotherapies, which include corticosteroids, intravenous immunoglobulins (IVIG), or plasma exchange (PLEX) are typically used. If partial or no benefit is seen, second line immunotherapeutic agents such as rituximab are considered. Additionally, the severity of the initial presentation and possible risk for relapse influences the use of the latter agents. Symptomatic management is also an important component in our practice and will depend on the syndrome being treated. One of the more novel entities we are facing currently is the management of immune checkpoint (ICI)-induced PNS. In those cases, current American Society of Clinical Oncology (ASCO) guidelines are followed.
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Affiliation(s)
- Maxime Junior Jean
- University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
| | - Lawrence Samkoff
- University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA
| | - Nimish Mohile
- University of Rochester Medical Center, 601 Elmwood Avenue, Rochester, NY, 14642, USA.
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23
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Zoccarato M, Grisold W. Paraneoplastic neurologic manifestations of neuroendocrine tumors. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:397-407. [PMID: 38494292 DOI: 10.1016/b978-0-12-823912-4.00023-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Neuroendocrine neoplasms (NENs) are a heterogeneous group of tumors arising from the transformation of neuroendocrine cells in several organs, most notably the gastro-entero-pancreatic system and respiratory tract. The classification was recently revised in the 5th Edition of the WHO Classification of Endocrine and Neuroendocrine Tumors. NENs can rarely spread to the central or peripheral nervous systems. Neurologic involvement is determined by the rare development of paraneoplastic syndromes, which are remote effects of cancer. Mechanisms depend on immunologic response to a tumor, leading to the immune attack on the nervous system or the production of biologically active ("functioning") substances, which can determine humoral (endocrine) effects with neurologic manifestations. Paraneoplastic neurologic syndromes (PNS) are immunologically mediated and frequently detected in small cell lung cancer but rarely seen in other forms of NEN. PNS and Merkel cell carcinoma is increasingly reported, especially with Lambert Eaton myasthenic syndrome. Endocrine manifestations are found in a wide spectrum of NENs. They can develop at any stage of the diseases and determine neurologic manifestations. Patient outcomes are influenced by tumor prognosis, neurologic complications, and the severity of endocrine effects.
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Affiliation(s)
- Marco Zoccarato
- Neurology Unit O.S.A., Azienda Ospedale-Università di Padova, Padova, Italy
| | - Wolfgang Grisold
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria.
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24
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Gul MH, Arooj H, Siddiqui A, Abdullah L, Waseem Z, Hashmi MU. Breast cancer's hidden partner: meningoencephalitis as a paraneoplastic revelation: a rare presentation of invasive ductal carcinoma of breast: a case report. Ann Med Surg (Lond) 2024; 86:512-516. [PMID: 38222730 PMCID: PMC10783277 DOI: 10.1097/ms9.0000000000001499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2023] [Accepted: 11/03/2023] [Indexed: 01/16/2024] Open
Abstract
Introduction and importance Paraneoplastic neurologic syndromes encompass a group of neurologic disorders arising from pathological processes unrelated to metastasis, metabolic disturbances, infections, coagulopathy, or treatment-related side effects. These syndromes can affect various regions of the nervous system, resulting in diverse clinical manifestations. Case presentation The authors present a rare case of anti-amphiphysin-associated meningoencephalitis in a South Asian Pakistani woman. Initially, the patient was managed for suspected infectious meningitis, but empirical treatment failed to yield improvement. Subsequent investigations unveiled a paraneoplastic syndrome secondary to breast cancer. Discussion Diagnosing these clinical entities is challenging due to their multifaceted presentations, often leading to delayed identification, increased patient suffering, economic burdens, and preventable complications. Conclusion Anti-amphiphysin-associated meningoencephalitis is a rare manifestation of paraneoplastic syndromes. It is crucial to raise awareness among healthcare professionals about the diverse presentations of paraneoplastic syndromes.
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Affiliation(s)
- Muhammad Hamza Gul
- Department of Internal Medicine, Bacha Khan Medical College Mardan, Khyber Pakhtunkhwa
| | | | - Aisha Siddiqui
- Department of Internal Medicine, Liaquat University of Medical & Health Sciences (LUMHS), Jamshoro
| | - Lava Abdullah
- Department of Obstetrics and Gynecology, Police Hospital, Damascus, Syria
| | - Zainab Waseem
- Department of Pathology, Shaukat Khanum Memorial Cancer Hospital & Research Centre, Lahore, Pakistan
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25
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Hammami MB, Rezk M, Dubey D. Paraneoplastic neurologic syndrome and autoantibody accompaniments of germ cell tumors. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:431-445. [PMID: 38494295 DOI: 10.1016/b978-0-12-823912-4.00001-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Paraneoplastic neurologic syndromes (PNSs) are a group of diseases affecting the central and/or peripheral nervous system caused by immune-mediated processes directed toward antigens with shared expression in tumor and neural tissue. Germ cell tumors (GCTs) are associated with PNSs with varied clinical phenotypes. Early diagnosis of PNS is vital to potentially uncover and treat underlying tumors, improving the chances of recovery, and preventing permanent neurologic complications. In this chapter, we outline the pathophysiology and epidemiology of PNS. We briefly provide a summary of GCTs in males and females. We review the neural-specific autoantibodies and PNSs associated with GCTs and their clinical and radiologic accompaniments. We also provide an overview of the treatment and prognosis of these disorders.
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Affiliation(s)
- M Bakri Hammami
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States; Jacobi Medical Center/Albert Einstein College of Medicine, Bronx, NY, United States
| | - Mohamed Rezk
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States; Department of Neurology, Mayo Clinic, Rochester, MN, United States
| | - Divyanshu Dubey
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States; Department of Neurology, Mayo Clinic, Rochester, MN, United States.
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26
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Waters P, Mills JR, Fox H. Evolution of methods to detect paraneoplastic antibodies. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:113-130. [PMID: 38494273 DOI: 10.1016/b978-0-12-823912-4.00010-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
An adaptive immune response in less than 1% of people who develop cancer produces antibodies against neuronal proteins. These antibodies can be associated with paraneoplastic syndromes, and their accurate detection should instigate a search for a specific cancer. Over the years, multiple systems, from indirect immunofluorescence to live cell-based assays, have been developed to identify these antibodies. As the specific antigens were identified, high throughput, multi-antigen substrates such as line blots and ELISAs were developed for clinical laboratories. However, the evolution of assays required to identify antibodies to membrane targets has shone a light on the importance of antigen conformation for antibody detection. This chapter discusses the early antibody assays used to detect antibodies to nuclear and cytosolic targets and how new approaches are required to detect antibodies to membrane targets. The chapter presents recent data that support international recommendations against the sole use of line blots for antibody detection and highlights a new antigen-specific approach that appears promising for the detection of submembrane targets.
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Affiliation(s)
- Patrick Waters
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom.
| | - John R Mills
- Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States
| | - Hannah Fox
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, United Kingdom
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27
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Montalvo M, Flanagan EP. Paraneoplastic/autoimmune myelopathies. HANDBOOK OF CLINICAL NEUROLOGY 2024; 200:193-201. [PMID: 38494277 DOI: 10.1016/b978-0-12-823912-4.00017-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/19/2024]
Abstract
Paraneoplastic myelopathies are a rare but important category of myelopathy. They usually present with an insidious or subacute progressive neurologic syndrome. Risk factors include tobacco use and family history of cancer. Cerebrospinal fluid analysis usually shows lymphocytic pleocytosis with elevated protein. MRI findings suggest that paraneoplastic myelopathies include longitudinally extensive T2 hyperintensities that are tract-specific and accompanied by enhancement, but spinal MRIs can also be normal. The most commonly associated neural antibodies include amphiphysin and collapsin-response-mediator-protein-5 (CRMP5/anti-CV2) antibodies with lung and breast cancers being the most frequent oncologic accompaniments. The differential diagnosis of paraneoplastic myelopathies includes nutritional deficiency myelopathy (B12, copper) as well as autoimmune/inflammatory conditions such as primary progressive multiple sclerosis or spinal cord sarcoidosis. Patients treated with immune checkpoint inhibitors for cancer may develop myelitis, that can be considered along the spectrum of paraneoplastic myelopathies. Management of paraneoplastic myelopathy includes oncologic treatment and immunotherapy. Despite these treatments, the prognosis is poor and the majority of patients eventually become wheelchair-dependent.
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Affiliation(s)
- Mayra Montalvo
- Department of Neurology, University of Florida, Gainesville, FL, United States
| | - Eoin P Flanagan
- Department of Neurology, Mayo Clinic, Rochester, MN, United States; Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, United States.
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28
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Mendes NT, Ronchi NR, Silva GD. A Systematic Review on Anti-Yo/PCA-1 Antibody: Beyond Cerebellar Ataxia in Middle-Aged Women with Gynecologic Cancer. CEREBELLUM (LONDON, ENGLAND) 2023; 22:1287-1292. [PMID: 36334195 DOI: 10.1007/s12311-022-01492-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 10/24/2022] [Indexed: 11/06/2022]
Abstract
Current understanding of anti-Yo/PCA1 antibody-associated cerebellar ataxia is based on case reports and small case series. Our goal was to summarize clinical features, highlighting atypical presentations and gaps of knowledge. Following the PRISMA guidelines, we systematically screened Pubmed/MEDLINE, Embase, Scopus, and Web of Science from inception to April 2022 for all case reports and series concerning anti-Yo antibody-associated cerebellar ataxia. We collected data on clinical presentation, investigation findings, and treatment outcomes. Of 379 included patients, 96% were female with gynecologic cancer (82%). Among men, 87% had an associated tumor, mainly of gastrointestinal origin. The median age was 60 years old. Pancerebellar ataxia was the main clinical feature, but extracerebellar findings were frequent during the disease course. Vertigo and imbalance can be present early in the disease course in about two thirds of patients, as a prodromal phase. Although neuroimaging usually is normal or shows cerebellar atrophy, inflammatory changes may also be present. More than half of the patients reported some improvement after immunotherapy. However, despite treatment, 84% of survivors were unable to walk unassisted on follow-up. Our study provides objective data and advances in current knowledge of anti-Yo antibody-associated cerebellar ataxia such as the description of prodromal symptoms, extracerebellar findings, and its presentations in males.
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Affiliation(s)
- Natalia Trombini Mendes
- Neuroimmunology Group, Department of Neurology, University of São Paulo, Avenida Dr Enéas de Carvalho Aguiar, CEP 05403-000, São Paulo, 255, Brazil.
| | - Nathalia Rossoni Ronchi
- Neuroimmunology Group, Department of Neurology, University of Ribeirão Preto, São Paulo, Brazil
| | - Guilherme Diogo Silva
- Neuroimmunology Group, Department of Neurology, University of São Paulo, Avenida Dr Enéas de Carvalho Aguiar, CEP 05403-000, São Paulo, 255, Brazil
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29
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Vogrig A, Pegat A, Villagrán-García M, Wucher V, Attignon V, Sohier E, Brevet M, Rogemond V, Pinto AL, Muñiz-Castrillo S, Peter E, Robert M, Picard G, Hopes L, Psimaras D, Terra A, Perrin C, Cogne D, Tabone-Eglinger S, Martinez S, Jury D, Valantin J, Gadot N, Auclair-Perrossier J, Viari A, Dubois B, Desestret V, Honnorat J. Different Genetic Signatures of Small-Cell Lung Cancer Characterize Anti-GABA B R and Anti-Hu Paraneoplastic Neurological Syndromes. Ann Neurol 2023; 94:1102-1115. [PMID: 37638563 DOI: 10.1002/ana.26784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 07/27/2023] [Accepted: 08/24/2023] [Indexed: 08/29/2023]
Abstract
OBJECTIVE Small-cell lung cancer (SCLC) is the malignancy most frequently associated with paraneoplastic neurological syndromes (PNS) and can trigger different antibody responses against intracellular (Hu) or neuronal surface (GABAB R) antigens. Our aim was to clarify whether the genomic and transcriptomic features of SCLC are different in patients with anti-GABAB R or anti-Hu PNS compared with SCLC without PNS. METHODS A total of 76 SCLC tumor samples were collected: 34 anti-Hu, 14 anti-GABAB R, and 28 SCLC without PNS. The study consisted of 4 steps: (1) pathological confirmation; (2) next generation sequencing using a panel of 98 genes, including those encoding the autoantibodies targets ELAVL1-4, GABBR1-2, and KCTD16; (3) genome-wide copy number variation (CNV); and (4) whole-transcriptome RNA sequencing. RESULTS CNV analysis revealed that patients with anti-GABAB R PNS commonly have a gain in chromosome 5q, which contains KCTD16, whereas anti-Hu and control patients often harbor a loss. No significantly different number of mutations regarding any onconeural genes was observed. Conversely, the transcriptomic profile of SCLC was different, and the differentially expressed genes allowed effective clustering of the samples into 3 groups, reflecting the antibody-based classification, with an overexpression of KCTD16 specific to anti-GABAB R PNS. Pathway analysis revealed that tumors of patients with anti-GABAB R encephalitis were enriched in B-cell signatures, as opposed to those of patients with anti-Hu, in which T-cell- and interferon-γ-related signatures were overexpressed. INTERPRETATION SCLC genetic and transcriptomic features differentiate anti-GABAB R, anti-Hu, and non-PNS tumors. The role of KCTD16 appears to be pivotal in the tumor immune tolerance breakdown of anti-GABAB R PNS. ANN NEUROL 2023;94:1102-1115.
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Affiliation(s)
- Alberto Vogrig
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Clinical Neurology, Santa Maria della Misericordia University Hospital, Azienda Sanitaria Universitaria Friuli Centrale, Udine, Italy
- Department of Medicine (DAME), University of Udine, Udine, Italy
| | - Antoine Pegat
- Service ENMG et Pathologies Neuromusculaires, Hôpital Neurologique P. Wertheimer, Hospices Civils de Lyon, Bron, France
- Pathophysiology and Genetics of Neuron and Muscle, CNRS UMR 5261, INSERM U1315, INMG, Université Claude Bernard Lyon 1, Faculté de Médecine Lyon Est, Lyon, France
| | - Macarena Villagrán-García
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Valentin Wucher
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Valéry Attignon
- Cancer Genomic Platform, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
| | - Emilie Sohier
- Gilles Thomas Bioinformatics Platform, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
- Fondation Synergie Lyon Cancer, Centre Léon Bérard, Lyon, France
| | - Marie Brevet
- Department of Pathology, Lyon Est Hospital, Hospices Civils de Lyon, Bron, France
| | - Veronique Rogemond
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Anne-Laurie Pinto
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Sergio Muñiz-Castrillo
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
- Stanford Center for Sleep Sciences and Medicine, Stanford University, Palo Alto, CA, USA
| | - Elise Peter
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Melisse Robert
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Géraldine Picard
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Lucie Hopes
- Department of Neurology, CHRU Nancy, Nancy, France
| | - Dimitri Psimaras
- Neurology 2 Department Mazarin, AP-HP, Groupe Hospitalier Pitié-Salpêtrière, Paris, France
- Sorbonne Université, INSERM, CNRS, Paris Brain Institute, Institut du Cerveau et de la Moelle Épinière, ICM, Paris, France
| | - Anthony Terra
- Centre de Ressources Biologiques Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
| | - Corinne Perrin
- Centre de Ressources Biologiques Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
| | - Dominique Cogne
- Plateforme de Gestion des Echantillons Biologique, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
| | - Severine Tabone-Eglinger
- Plateforme de Gestion des Echantillons Biologique, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
| | - Séverine Martinez
- Plateforme de Gestion des Echantillons Biologique, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
| | - Delphine Jury
- Plateforme de Gestion des Echantillons Biologique, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
| | - Julie Valantin
- Plateforme Anatomopathologie Recherche, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS Centre Léon Bérard, Lyon, France
| | - Nicolas Gadot
- Plateforme Anatomopathologie Recherche, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS Centre Léon Bérard, Lyon, France
| | - Jessie Auclair-Perrossier
- Cancer Genomic Platform, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
| | - Alain Viari
- Gilles Thomas Bioinformatics Platform, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
| | - Bertrand Dubois
- Cancer Immune Surveillance and Therapeutic Targeting Team, Cancer Research Center of Lyon, Université Claude Bernard Lyon 1, INSERM 1052, CNRS, Centre Léon Bérard, Lyon, France
- Lyon Immunotherapy for Cancer Laboratory, Cancer Research Center of Lyon, Lyon, France
| | - Virginie Desestret
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
| | - Jérôme Honnorat
- French Reference Center of Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Mechanisms in integrated life sciences Institute, (MeLiS), INSERM U1314, CNRS UMR 5284, Université de Lyon, Université Claude Bernard Lyon 1, Lyon, France
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Graber JJ. Paraneoplastic Neurologic Syndromes. Continuum (Minneap Minn) 2023; 29:1779-1808. [PMID: 38085898 DOI: 10.1212/con.0000000000001357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
OBJECTIVE Progress is ongoing in understanding paraneoplastic neurologic disorders, with new syndromes and antibodies being described and more detailed evidence available to guide workup for diagnosis and treatment to improve outcomes. Many excellent reviews have summarized the molecular features of different antibodies, but this article emphasizes the clinical features of each syndrome that may help guide initial diagnosis and treatment, which often should occur before an antibody or cancer is found to confirm the diagnosis. LATEST DEVELOPMENTS Recent findings include updated diagnostic criteria with validated sensitivity and specificity, discovery of novel antibodies, and clinical findings that increase the likelihood of an underlying paraneoplastic disorder. Suggestive syndromes that have been recently identified include faciobrachial dystonic seizures and pilomotor auras in anti-leucine-rich glioma inactivated protein 1 encephalitis, extreme delta brush on EEG in N-methyl-d-aspartate (NMDA)-receptor encephalitis, déjà vu aura in anti-glutamic acid decarboxylase 65 (GAD65) encephalitis, and sleep disturbances in several disorders. In addition, there is confirmed utility of brain positron emission tomography (PET) and CSF markers, including carcinoembryonic antigen and oligoclonal bands, as well as improved tests for the presence of leptomeningeal cancer cells in CSF. Associations of cancer immunotherapies with paraneoplastic syndromes and herpes simplex virus encephalitis (and COVID-19) with NMDA-receptor encephalitis have been described. ESSENTIAL POINTS All neurologists should be aware of advances regarding paraneoplastic neurologic syndromes, as patients can present with a wide variety of neurologic symptoms and earlier diagnosis and treatment can improve outcomes.
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Meira AT, de Moraes MPM, Ferreira MG, Franklin GL, Rezende Filho FM, Teive HAG, Barsottini OGP, Pedroso JL. Immune-mediated ataxias: Guide to clinicians. Parkinsonism Relat Disord 2023; 117:105861. [PMID: 37748994 DOI: 10.1016/j.parkreldis.2023.105861] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 09/13/2023] [Accepted: 09/17/2023] [Indexed: 09/27/2023]
Abstract
Immune-mediated cerebellar ataxias were initially described as a clinical entity in the 1980s, and since then, an expanding body of evidence has contributed to our understanding of this topic. These ataxias encompass various etiologies, including postinfectious cerebellar ataxia, gluten ataxia, paraneoplastic cerebellar degeneration, opsoclonus-myoclonus-ataxia syndrome and primary autoimmune cerebellar ataxia. The increased permeability of the brain-blood barrier could potentially explain the vulnerability of the cerebellum to autoimmune processes. In this manuscript, our objective is to provide a comprehensive review of the most prevalent diseases within this group, emphasizing clinical indicators, pathogenesis, and current treatment approaches.
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Affiliation(s)
- Alex T Meira
- Universidade Federal da Paraíba, Departamento de Medicina Interna, Serviço de Neurologia, João Pessoa, PB, Brazil.
| | | | - Matheus G Ferreira
- Universidade Federal do Paraná, Hospital de Clínicas, Departamento de Medicina Interna, Serviço de Neurologia, Curitiba, PR, Brazil
| | - Gustavo L Franklin
- Pontifícia Universidade Católica, Departamento de Medicina Interna, Serviço de Neurologia, Curitiba, PR, Brazil
| | | | - Hélio A G Teive
- Universidade Federal do Paraná, Hospital de Clínicas, Departamento de Medicina Interna, Serviço de Neurologia, Curitiba, PR, Brazil
| | | | - José Luiz Pedroso
- Universidade Federal de São Paulo, Departamento de Neurologia, São Paulo, SP, Brazil
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Akkus S, Elkhooly M, Amatya S, Shrestha K, Sharma K, Kagzi Y, Khan E, Gupta R, Piquet AL, Jaiswal S, Wen S, Tapia M, Samant R, Sista SR, Sriwastava S. Autoimmune and paraneoplastic neurological disorders: A review of relevant neuroimaging findings. J Neurol Sci 2023; 454:120830. [PMID: 37856996 DOI: 10.1016/j.jns.2023.120830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/28/2023] [Accepted: 10/04/2023] [Indexed: 10/21/2023]
Abstract
INTRODUCTION Paraneoplastic neurologic syndromes (PNS) and autoimmune encephalitis (AIE) are immune-mediated disorders. PNS is linked to cancer, while AIE may not Their clinical manifestations and imaging patterns need further elucidation. OBJECTIVE/AIMS To investigate the clinical profiles, antibody associations, neuroimaging patterns, treatments, and outcomes of PNS and AIE. METHODS A systematic review of 379 articles published between 2014 and 2023 was conducted. Of the 55 studies screened, 333 patients were diagnosed with either PNS or AIE and tested positive for novel antibodies. Data on demographics, symptoms, imaging, antibodies, cancer associations, treatment, and outcomes were extracted. RESULTS The study included 333 patients (mean age 54 years, 67% males) with PNS and AIE positive for various novel antibodies. 84% had central nervous system issues like cognitive impairment (53%), rhombencephalitis (17%), and cerebellar disorders (24%). Neuroimaging revealed distinct patterns with high-risk antibodies associated with brainstem lesions in 98%, cerebellar in 91%, hippocampal in 98%, basal ganglia in 75%, and spinal cord in 91%, while low/intermediate-risk antibodies were associated with medial temporal lobe lesions in 71% and other cortical/subcortical lesions in 55%. High-risk antibodies were associated with younger males, deep brain lesions, and increased mortality of 61%, while low/intermediate-risk antibodies were associated with females, cortical/subcortical lesions, and better outcomes with 39% mortality. Associated cancers included seminomas (23%), lung (19%), ovarian (2%), and breast (2%). Treatments included IVIG, chemotherapy, and plasmapheresis. Overall mortality was 25% in this cohort. CONCLUSION PNS and AIE have distinct clinical and radiological patterns based on antibody profiles. High-risk antibodies are associated with increased mortality while low/intermediate-risk antibodies are associated with improved outcomes. Appropriate imaging and antibody testing are critical for accurate diagnosis.
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Affiliation(s)
- Sema Akkus
- Department of Neurology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Mahmoud Elkhooly
- Department of Neurology, Wayne state University, Detroit, MI, USA; Department of Neurology, Southern Illinois university, Springfield, IL, USA; Department of Neuropsychiatry, Minia University, Egypt
| | - Suban Amatya
- Department of Medicine, Patan Academy of Health Sciences, Kathmandu, Nepal
| | - Kriti Shrestha
- Department of Medicine, Patan Academy of Health Sciences, Kathmandu, Nepal
| | - Kanika Sharma
- Division of Multiple Sclerosis and Neuroimmunology Department of Neurology, McGovern Medical School (UT Health), University of Texas Health Science Center at Houston, Houston, TX,USA
| | - Yusuf Kagzi
- Mahatma Gandhi Memorial Medical College, Indore, India
| | - Erum Khan
- Department of Neurology, University of Alabama at Birmingham, Al, USA
| | - Rajesh Gupta
- Division of Multiple Sclerosis and Neuroimmunology Department of Neurology, McGovern Medical School (UT Health), University of Texas Health Science Center at Houston, Houston, TX,USA
| | - Amanda L Piquet
- Neuroimmunology, Neuroinfectious Disease and Neurohospitalist Sections, University of Colorado School of Medicine, CO, USA
| | - Shruti Jaiswal
- Department of Neuro-oncology, MD Anderson Cancer Center, Houston, TX, USA
| | - Sijin Wen
- West Virginia Clinical Transitional Science, Morgantown, WV, USA
| | - Michaela Tapia
- West Virginia Clinical Transitional Science, Morgantown, WV, USA
| | - Rohan Samant
- Department of Neuroradiology, McGovern Medical School (UT Health), University of Texas Health Science Center at Houston, Houston, TX, USA
| | - Sri Raghav Sista
- Division of Multiple Sclerosis and Neuroimmunology Department of Neurology, McGovern Medical School (UT Health), University of Texas Health Science Center at Houston, Houston, TX,USA
| | - Shitiz Sriwastava
- Division of Multiple Sclerosis and Neuroimmunology Department of Neurology, McGovern Medical School (UT Health), University of Texas Health Science Center at Houston, Houston, TX,USA.
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Bakirtzis C, Lima M, De Lorenzo SS, Artemiadis A, Theotokis P, Kesidou E, Konstantinidou N, Sintila SA, Boziki MK, Parissis D, Ioannidis P, Karapanayiotides T, Hadjigeorgiou G, Grigoriadis N. Secondary Central Nervous System Demyelinating Disorders in the Elderly: A Narrative Review. Healthcare (Basel) 2023; 11:2126. [PMID: 37570367 PMCID: PMC10418902 DOI: 10.3390/healthcare11152126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/14/2023] [Accepted: 07/24/2023] [Indexed: 08/13/2023] Open
Abstract
Secondary demyelinating diseases comprise a wide spectrum group of pathological conditions and may either be attributed to a disorder primarily affecting the neurons or axons, followed by demyelination, or to an underlying condition leading to secondary damage of the myelin sheath. In the elderly, primary demyelinating diseases of the central nervous system (CNS), such as multiple sclerosis, are relatively uncommon. However, secondary causes of CNS demyelination may often occur and in this case, extensive diagnostic workup is usually needed. Infectious, postinfectious, or postvaccinal demyelination may be observed, attributed to age-related alterations of the immune system in this population. Osmotic disturbances and nutritional deficiencies, more commonly observed in the elderly, may lead to conditions such as pontine/extrapontine myelinolysis, Wernicke encephalopathy, and demyelination of the posterior columns of the spinal cord. The prevalence of malignancies is higher in the elderly, sometimes leading to radiation-induced, immunotherapy-related, or paraneoplastic CNS demyelination. This review intends to aid clinical neurologists in broadening their diagnostic approach to secondary CNS demyelinating diseases in the elderly. Common clinical conditions leading to secondary demyelination and their clinical manifestations are summarized here, while the current knowledge of the underlying pathophysiological mechanisms is additionally presented.
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Affiliation(s)
- Christos Bakirtzis
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Maria Lima
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Sotiria Stavropoulou De Lorenzo
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Artemios Artemiadis
- Faculty of Medicine, University of Cyprus, Nicosia CY-2029, Cyprus; (A.A.); (G.H.)
| | - Paschalis Theotokis
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Evangelia Kesidou
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Natalia Konstantinidou
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Styliani-Aggeliki Sintila
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Marina-Kleopatra Boziki
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Dimitrios Parissis
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Panagiotis Ioannidis
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | - Theodoros Karapanayiotides
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
| | | | - Nikolaos Grigoriadis
- Second Department of Neurology, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece; (M.L.); (S.S.D.L.); (P.T.); (E.K.); (N.K.); (S.-A.S.); (M.-K.B.); (D.P.); (P.I.); (T.K.); (N.G.)
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Vaišvilas M, Ciano-Petersen NL, Macarena Villagrán-García MD, Muñiz-Castrillo S, Vogrig A, Honnorat J. Paraneoplastic encephalitis: clinically based approach on diagnosis and management. Postgrad Med J 2023; 99:669-678. [PMID: 37389581 DOI: 10.1136/postgradmedj-2022-141766] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 04/25/2022] [Indexed: 11/04/2022]
Abstract
Paraneoplastic neurological syndromes (PNSs) comprise a subset of immune-mediated nervous system diseases triggered by an underlying malignancy. Each syndrome usually shows a distinct clinical presentation and outcome according to the associated neural antibodies. PNSs generally have a subacute onset with rapid progression and severe neurological disability. However, some patients may have hyperacute onset or even show chronic progression mimicking neurodegenerative diseases. Updated diagnostic criteria for PNS have been recently established in order to increase diagnostic specificity and to encourage standardisation of research initiatives related to PNS. Treatment for PNS includes oncological therapy and immunomodulation to halt neurological deterioration although current treatment options are seldom effective in reversing disability. Nevertheless, growing knowledge and better understanding of PNS pathogenesis promise better recognition, earlier diagnosis and novel treatment strategies. Considering that PNSs provide a model of effective anticancer immunity, the impact of these studies will extend far beyond the field of neurology.
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Affiliation(s)
- Mantas Vaišvilas
- Department of Neuro-oncology Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Department of Neuro-oncology, Université Claude Bernard Lyon 1 Villeurbanne, Lyon, France
| | - Nicolás Lundahl Ciano-Petersen
- Department of Neuro-oncology Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Department of Neuro-oncology, Université Claude Bernard Lyon 1 Villeurbanne, Lyon, France
| | - M D Macarena Villagrán-García
- Department of Neuro-oncology Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Department of Neuro-oncology, Université Claude Bernard Lyon 1 Villeurbanne, Lyon, France
| | - Sergio Muñiz-Castrillo
- Department of Neuro-oncology Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Department of Neuro-oncology, Université Claude Bernard Lyon 1 Villeurbanne, Lyon, France
| | - Alberto Vogrig
- Department of Neuro-oncology Hospices Civils de Lyon, Hôpital Neurologique, Bron, France
- Department of Neuro-oncology, Université Claude Bernard Lyon 1 Villeurbanne, Lyon, France
| | - Jérôme Honnorat
- Department of Neuro-oncology, Université Claude Bernard Lyon 1 Villeurbanne, Lyon, France
- Department of Neuro-oncology, Hospices Civils de Lyon, Bron, France
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Graus F. Autoimmune Encephalitis and Related Syndromes. J Clin Med 2023; 12:jcm12113832. [PMID: 37298027 DOI: 10.3390/jcm12113832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 05/27/2023] [Indexed: 06/12/2023] Open
Abstract
The field of autoimmune neurology has greatly expanded in the last decade [...].
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Affiliation(s)
- Francesc Graus
- Neuroimmunology Program, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Casanova, 143, Floor 3rd, 08036 Barcelona, Spain
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Gyongyosi B, Magyar-Stang R, Takacs T, Szekely E, Illes Z, Nilsson C, Gyorke T, Barsi P, Juhasz D, Banky B, Bereczki D, Honnorat J, Gunda B. Paraneoplastic Kelch-like protein 11 antibody-associated cerebellar and limbic encephalitis caused by metastatic “burned-out” seminoma – A scar(r)y phenomenon. J Neuroimmunol 2023; 378:578073. [PMID: 36989702 DOI: 10.1016/j.jneuroim.2023.578073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 03/09/2023] [Accepted: 03/21/2023] [Indexed: 03/29/2023]
Abstract
INTRODUCTION The diagnosis of paraneoplastic neurologic syndromes is challenging when the primary tumor masquerades as scar tissue (i.e. "burned-out"). METHODS Case report. RESULTS A 45-year-old male patient presented with progressive cerebellar symptoms and hearing loss. Initial screening for malignancy and extensive testing of paraneoplastic and autoimmune neuronal antibodies gave negative results. Repeated whole-body FDG-PET CT revealed a single paraaortic lymphadenopathy, metastasis of a regressed testicular seminoma. Anti-Kelch-like protein-11 (KLHL11) encephalitis was finally diagnosed. CONCLUSION Our case highlights the importance of continued efforts to find an often burned-out testicular cancer in patients with a highly unique clinical presentation of KLHL11 encephalitis.
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Affiliation(s)
- Benedek Gyongyosi
- Department of Pathology, Forensic and Insurance Medicine, Semmelweis University, Budapest, Hungary
| | - Rita Magyar-Stang
- Department of Neurology, Semmelweis University, Budapest, Hungary; János Szentágothai Doctoral School of Neurosciences, Semmelweis University, Budapest, Hungary.
| | - Timea Takacs
- Department of Neurology, Semmelweis University, Budapest, Hungary; János Szentágothai Doctoral School of Neurosciences, Semmelweis University, Budapest, Hungary
| | - Eszter Szekely
- Department of Pathology, Forensic and Insurance Medicine, Semmelweis University, Budapest, Hungary
| | - Zsolt Illes
- Department of Neurology, Odense University Hospital, Odense, Denmark
| | - Christine Nilsson
- Laboratory of Clinical Immunology, Odense University Hospital, Odense, Denmark
| | - Tamas Gyorke
- Department of Nuclear Medicine, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Peter Barsi
- Department of Neuroradiology, Medical Imaging Centre, Semmelweis University, Budapest, Hungary
| | - Daniel Juhasz
- Department of Urology, Semmelweis University, Budapest, Hungary
| | - Balazs Banky
- Department of Surgery, Transplantation and Gastroenterology, Semmelweis University, Budapest, Hungary
| | - Daniel Bereczki
- Department of Neurology, Semmelweis University, Budapest, Hungary
| | - Jerome Honnorat
- French Reference Center on Paraneoplastic Neurological Diseases and Autoimmune Encephalitis, Hospices Civils de Lyon, Université Claude Bernard, Lyon, France
| | - Bence Gunda
- Department of Neurology, Semmelweis University, Budapest, Hungary
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Deng Y, Zhang X, Wang L, Lu X, Gao Y, Wu Z, Zhong Z. Anti-SOX1 antibodies-positive paraneoplastic neurological syndromes caused by thyroid carcinoma: A case report. Medicine (Baltimore) 2023; 102:e33499. [PMID: 37083806 PMCID: PMC10118322 DOI: 10.1097/md.0000000000033499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 03/21/2023] [Indexed: 04/22/2023] Open
Abstract
RATIONALE Paraneoplastic neurological syndromes (PNSs) are a group of neurological diseases caused by distant immune effects of malignant tumors, which often occur in patients with small cell lung cancer but are not prone to occur in patients with thyroid cancer. Anti-Sry-like high mobility group box (SOX)1 antibodies (abs)-associated PNSs caused by thyroid cancer are clinically rarer. PATIENT CONCERNS A 57-year-old Chinese male patient presented with autonomic neuropathy. A thyroid biopsy revealed the diagnosis of papillary thyroid microcarcinoma. The serum anti-SOX1 abs confirmed positive. DIAGNOSES A diagnosis of anti-SOX1 antibodies-positive PNS was made. INTERVENTIONS The patient received total thyroidectomy. OUTCOMES After total thyroidectomy, the patient's symptoms resolved quickly, and the serum anti-SOX1 abs test results was negative on re-examination. LESSONS Thyroid cancer can cause anti-SOX1 abs-associated PNS with only autonomic neuropathy.
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Affiliation(s)
- Yazhi Deng
- Medical College of Hunan Normal University, Changsha, Hunan Province, China
| | - Xiaobo Zhang
- First People’s Hospital of Changde City, Changde, Hunan Province, China
| | - Lei Wang
- First People’s Hospital of Changde City, Changde, Hunan Province, China
| | - Xuelin Lu
- First People’s Hospital of Changde City, Changde, Hunan Province, China
| | - Yunchun Gao
- First People’s Hospital of Changde City, Changde, Hunan Province, China
| | - Zhenkai Wu
- First People’s Hospital of Changde City, Changde, Hunan Province, China
| | - Zhenzhen Zhong
- First People’s Hospital of Changde City, Changde, Hunan Province, China
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Abstract
PURPOSE OF REVIEW To provide an overview and highlight recent updates in the field of paraneoplastic neurologic disorders. RECENT FINDINGS The prevalence of paraneoplastic neurologic disorders is greater than previously reported and the incidence has been rising over time, due to improved recognition in the era of antibody biomarkers. Updated diagnostic criteria that are broadly inclusive and also contain diagnostic risk for clinical presentations (high and intermediate) and diagnostic antibodies (high, intermediate, and low) have replaced the original 2004 criteria. Antibody biomarkers continue to be characterized (e.g., KLHL-11 associated with seminoma in men with brainstem encephalitis). Some paraneoplastic antibodies also provide insight into likely immunotherapy response and prognosis. The rise of immune checkpoint inhibitors as cancer therapeutics has been associated with newly observed immune-mediated adverse effects including paraneoplastic neurological disorders. The therapeutic approach to paraneoplastic neurologic disorders is centered around cancer care and trials of immune therapy. The field of paraneoplastic neurologic disorders continues to be advanced by the identification of novel antibody biomarkers which have diagnostic utility, and give insight into likely treatment responses and outcomes.
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Affiliation(s)
- Michael Gilligan
- Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, Rochester, MN, USA
- Department of Neurology, St Vincent's University Hospital, Dublin, Ireland
| | | | - Andrew McKeon
- Department of Laboratory Medicine and Pathology, College of Medicine, Mayo Clinic, Rochester, MN, USA.
- Department of Neurology, College of Medicine, Mayo Clinic, 200 1st ST SW, Rochester, MN, 55905, USA.
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Vogrig A, Valencia-Sanchez C, Honnorat J, Muñiz-Castrillo S. Editorial: Neuroglial antibodies: From clinical associations to pathophysiological investigations. Front Neurol 2023; 14:1143410. [PMID: 36816563 PMCID: PMC9929528 DOI: 10.3389/fneur.2023.1143410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 01/19/2023] [Indexed: 02/05/2023] Open
Affiliation(s)
- Alberto Vogrig
- Clinical Neurology, Udine University Hospital, Azienda Sanitaria Universitaria Friuli Centrale (ASU FC), Udine, Italy,Department of Medical Area (DAME), University of Udine, Udine, Italy
| | | | - Jérôme Honnorat
- French Reference Center for Paraneoplastic Neurological Syndromes and Autoimmune Encephalitis, Hôpital Neurologique, Hospices Civils de Lyon, Bron, France,Team SynatAc, MeLiS Institute-UCBL-CNRS UMR 5284-INSERM U1314, Université Claude Bernard Lyon 1, Lyon, France
| | - Sergio Muñiz-Castrillo
- Center for Sleep Sciences and Medicine, Stanford University, Palo Alto, CA, United States,*Correspondence: Sergio Muñiz-Castrillo ✉ ; ✉
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Wahed LA, Cho TA. Imaging of Central Nervous System Autoimmune, Paraneoplastic, and Neuro-rheumatologic Disorders. Continuum (Minneap Minn) 2023; 29:255-291. [PMID: 36795880 DOI: 10.1212/con.0000000000001244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
OBJECTIVE This article provides an overview of the imaging modalities used in the evaluation of central nervous system (CNS) autoimmune, paraneoplastic, and neuro-rheumatologic disorders. An approach is outlined for interpreting imaging findings in this context, synthesizing a differential diagnosis based on certain imaging patterns, and choosing further imaging for specific diseases. LATEST DEVELOPMENTS The rapid discovery of new neuronal and glial autoantibodies has revolutionized the autoimmune neurology field and has elucidated imaging patterns characteristic of certain antibody-associated diseases. Many CNS inflammatory diseases, however, lack a definitive biomarker. Clinicians should recognize neuroimaging patterns suggestive of inflammatory disorders, as well as the limitations of imaging. CT, MRI, and positron emission tomography (PET) modalities all play a role in diagnosing autoimmune, paraneoplastic, and neuro-rheumatologic disorders. Additional imaging modalities such as conventional angiography and ultrasonography can be helpful for further evaluation in select situations. ESSENTIAL POINTS Knowledge of imaging modalities, both structural and functional, is critical in identifying CNS inflammatory diseases quickly and can help avoid invasive testing such as brain biopsy in certain clinical scenarios. Recognizing imaging patterns suggestive of CNS inflammatory diseases can also facilitate the early initiation of appropriate treatments to diminish morbidity and future disability.
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Marion P, Chalus AD, Giorgi L, Bellesme C, Crétien P, Maurey H, Deiva K. Early and Aggressive Treatment May Modify Anti-Hu Associated Encephalitis Prognosis. Neuropediatrics 2023; 54:64-67. [PMID: 35817357 DOI: 10.1055/a-1896-6687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Anti-Hu encephalitis is a paraneoplastic syndrome in adults. In children, rare cases of anti-Hu encephalitis were reported mostly without underlying tumors and clinical outcome are usually severe. Here, we describe a 4-year-old girl who developed cerebellar syndrome with abnormal behavior. The brain magnetic resonance imaging showed several T2/fluid-attenuated inversion recovery bilateral brain lesions and autoimmune assessment showed positive anti-Hu antibodies. Computed tomography scan revealed ganglioneuroblastoma which was surgically removed 3 months after onset. Aggressive immunotherapy including dexamethasone, rituximab, and intravenous immunoglobulins were used and a marked neurological improvement soon after 9 months of onset was observed with the child being able to go back to school. The short delay between diagnosis and start of aggressive immunotherapy demonstrate the paramount importance of early diagnosis and early specific therapy after onset of symptoms.
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Affiliation(s)
- Perrine Marion
- Pediatric Neurology Department, Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Saclay, Le Kremlin Bicêtre, France
| | - Aliénor De Chalus
- Pediatric Neurology Department, Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Saclay, Le Kremlin Bicêtre, France
| | - Laetitia Giorgi
- Pediatric Neurology Department, Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Saclay, Le Kremlin Bicêtre, France
| | - Céline Bellesme
- Pediatric Neurology Department, Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Saclay, Le Kremlin Bicêtre, France
| | - Pascale Crétien
- Pediatric Neurology Department, Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Saclay, Le Kremlin Bicêtre, France
| | - Hélène Maurey
- Pediatric Neurology Department, Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Saclay, Le Kremlin Bicêtre, France.,Pediatric Neurologic Department, National Referral Center for Rare Brain and Spinal Diseases, Le Kremlin-Bicêtre, France
| | - Kumaran Deiva
- Pediatric Neurology Department, Bicêtre Hospital, Assistance Publique-Hôpitaux de Paris, Hôpitaux Universitaires Paris Saclay, Le Kremlin Bicêtre, France.,Pediatric Neurologic Department, National Referral Center for Rare Brain and Spinal Diseases, Le Kremlin-Bicêtre, France.,Inserm UMR 1184, Immunology of Viral Infections and Autoimmune Diseases, CEA, IDMIT, Le Kremlin Bicêtre, France
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Sanyal SR, Kodituwakku K, Nisreen A, Kilani SM, Gupta M. Initial experience in assessing diagnostic utility of conventional and functional imaging (staging CT, PET CT, and MRI Brain/Spine) in suspected cases of paraneoplastic neurological syndrome. J Neurosci Rural Pract 2023; 14:170-176. [PMID: 36891093 PMCID: PMC9944318 DOI: 10.25259/jnrp-2022-5-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 09/20/2022] [Indexed: 11/06/2022] Open
Abstract
Objectives Radiology receives a large volume of referrals for systemic scans and neuroimaging in suspected cases of paraneoplastic neurological syndrome (PNS) patients. To date, there have been no guidelines to define imaging pathways in diagnosis or surveillance of such patients. This article aims to evaluate diagnostic utility of imaging in detecting positive results as well as ruling out significant pathologies in suspected cases of PNS and strategize vetting requests. Materials and Methods Retrospectively evaluated scan records, onconeuronal antibody results of 80 patients (separated into below and over 60s age group) referred with suspected PNS (categorized as classical or probable PNS after neurological assessment). Imaging findings and final diagnoses were classified into three groups: Normal (N), non-neoplastic significant findings (S), and malignancies (M) after evaluating histopathology results/ perioperative findings and treatment notes. Results There were ten cases of biopsy-proven malignancies and 18 cases of non-neoplastic significant conditions (predominantly neurological) with malignancies dominating in the elderly age group, demyelinating neurological conditions in below 60s group and patients suspected of classical PNS on neurological evaluation. Staging computed tomography (CT) had 50%, positron emission tomography CT (PETCT) had 80%, sensitivity had 93%, and negative predictive value in ruling out malignancy had 96%. Magnetic resonance of brain and spine was reported abnormal in 68% of finally diagnosed positive cases while only 11% cases demonstrated onconeuronal antibody positivity. Conclusion Complete neuroimaging before systemic scans, categorization of referral requests in probable and classical cases of PNS with prioritization of PET in cases of high clinical concern might help in better detection of pathologies and reduce unnecessary CTs.
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Affiliation(s)
| | - Keneth Kodituwakku
- Department of Biology, Medicine and Health Sciences, University of Manchester, United Kingdom
| | - Amin Nisreen
- Department of Radiology, Royal Preston Hospital, Fulwood, United Kingdom
| | | | - Manish Gupta
- Department of Radiology, Royal Preston Hospital, Fulwood, United Kingdom
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Muacevic A, Adler JR, Bollineni VR, Þórarinsson BL, Arkink EB. Anti-CV2/Collapsin Response Mediator Protein 5 (CRMP5) Paraneoplastic Encephalitis Induced by Small Cell Lung Cancer. Cureus 2023; 15:e34323. [PMID: 36865958 PMCID: PMC9972193 DOI: 10.7759/cureus.34323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/29/2023] [Indexed: 01/30/2023] Open
Abstract
Paraneoplastic neurological syndrome (PNS) associated with anti-CV2/CRMP5 antibodies is a rare entity that can present in various clinical manifestations, from encephalitis to chorea, depending on the brain region involved. We report a case of an elderly person with small cell lung cancer who presented with PNS encephalitis associated with anti-CV2/CRMP5 antibodies which were confirmed on immunological analysis.
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Chekanova EO, Shabalina AA, Zakharova MN. [Clinical characteristics and short-term outcomes of autoimmune encephalitis in adults]. Zh Nevrol Psikhiatr Im S S Korsakova 2023; 123:103-115. [PMID: 37560842 DOI: 10.17116/jnevro2023123072103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/11/2023]
Abstract
OBJECTIVE To characterize clinical, paraclinical features and short-term outcomes in different types of autoimmune encephalitis (AE) in a one-center cohort of Russian patients, as well as to evaluate the frequency and significance of the joint expression of antineuronal and anti-glial antibodies (Abs) in AE. MATERIAL AND METHODS Forty-one patients were diagnosed with AE at the Research Center of Neurology from November 2020 to December 2022. Demographic, clinical characteristics, results of laboratory tests, MRI of brain, treatment and outcomes of disease were analyzed. The analysis of Abs to glial antigens (myelin-oligodendrocyte glycoprotein - MOG, glial fibrillar acidic protein - GFAP, aquaporin 4 - AQP-4) was performed by indirect immunofluorescence assay (Euroimmun, Germany). RESULTS In 24 (58.5%) patients was established definite AE, confirmed by specific Abs detection; in 2 (4.9%) - definite limbic encephalitis, in 15 (36.6%) - seronegative probable AE (including 3 cases of Hashimoto's encephalitis). GFAP-Abs in cerebrospinal fluid (CSF) were detected only in two patients - with clinical and MRI-picture of autoimmune GFAP-astrocytopathy (A-GFAP-A). GFAP- and MOG-Abs in the blood were detected in 25.7% and 6%, respectively, AQP-4-Abs were not detected. There were no correlations between co-expression with glial Abs and clinical characteristics. Systemic and antithyroid Abs were present in 15% and 31%, respectively. Paraneoplastic AE accounted for 22%. For the first time in the Russian population, 2 cases of A-GFAP-A, 6 cases of AE associated with COVID-19 were described. The most common first syndrome were epileptic seizure (34%), psychiatric (29%) and cognitive (14%) disorders. Relapses of AE was observed in 22%. Inflammatory changes in CSF were detected in 41%, focal changes on MRI in 68%. First-line immune therapy was performed in all patients, 85% of cases received pulse therapy with methylprednisolone. Second-line immune therapy (rituximab or cyclophosphamide intravenously) was performed in 19.5%, 78% of patients achieved significant improvement during treatment (scores ≤2 on the modified Rankin scale). CONCLUSIONS The results allow us to consider COVID-19 as a trigger of AE. The absence of detection of GFAP-Abs in CSF in patients with other types of AE contributes to the confirmation of the specificity of GFAP-seropositivity of CSF for the diagnosis of A-GFAP-A. The expression of GFAP- and MOG-Abs in AE can serve as confirmation of the immuno-mediated etiology of the disease, which is especially important for the AE diagnosis in the absence of antineuronal Abs.
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Flanagan EP, Geschwind MD, Lopez-Chiriboga AS, Blackburn KM, Turaga S, Binks S, Zitser J, Gelfand JM, Day GS, Dunham SR, Rodenbeck SJ, Clardy SL, Solomon AJ, Pittock SJ, McKeon A, Dubey D, Zekeridou A, Toledano M, Turner LE, Vernino S, Irani SR. Autoimmune Encephalitis Misdiagnosis in Adults. JAMA Neurol 2023; 80:30-39. [PMID: 36441519 PMCID: PMC9706400 DOI: 10.1001/jamaneurol.2022.4251] [Citation(s) in RCA: 73] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 09/22/2022] [Indexed: 11/29/2022]
Abstract
Importance Autoimmune encephalitis misdiagnosis can lead to harm. Objective To determine the diseases misdiagnosed as autoimmune encephalitis and potential reasons for misdiagnosis. Design, Setting, and Participants This retrospective multicenter study took place from January 1, 2014, to December 31, 2020, at autoimmune encephalitis subspecialty outpatient clinics including Mayo Clinic (n = 44), University of Oxford (n = 18), University of Texas Southwestern (n = 18), University of California, San Francisco (n = 17), University of Washington in St Louis (n = 6), and University of Utah (n = 4). Inclusion criteria were adults (age ≥18 years) with a prior autoimmune encephalitis diagnosis at a participating center or other medical facility and a subsequent alternative diagnosis at a participating center. A total of 393 patients were referred with an autoimmune encephalitis diagnosis, and of those, 286 patients with true autoimmune encephalitis were excluded. Main Outcomes and Measures Data were collected on clinical features, investigations, fulfillment of autoimmune encephalitis criteria, alternative diagnoses, potential contributors to misdiagnosis, and immunotherapy adverse reactions. Results A total of 107 patients were misdiagnosed with autoimmune encephalitis, and 77 (72%) did not fulfill diagnostic criteria for autoimmune encephalitis. The median (IQR) age was 48 (35.5-60.5) years and 65 (61%) were female. Correct diagnoses included functional neurologic disorder (27 [25%]), neurodegenerative disease (22 [20.5%]), primary psychiatric disease (19 [18%]), cognitive deficits from comorbidities (11 [10%]), cerebral neoplasm (10 [9.5%]), and other (18 [17%]). Onset was acute/subacute in 56 (52%) or insidious (>3 months) in 51 (48%). Magnetic resonance imaging of the brain was suggestive of encephalitis in 19 of 104 patients (18%) and cerebrospinal fluid (CSF) pleocytosis occurred in 16 of 84 patients (19%). Thyroid peroxidase antibodies were elevated in 24 of 62 patients (39%). Positive neural autoantibodies were more frequent in serum than CSF (48 of 105 [46%] vs 7 of 91 [8%]) and included 1 or more of GAD65 (n = 14), voltage-gated potassium channel complex (LGI1 and CASPR2 negative) (n = 10), N-methyl-d-aspartate receptor by cell-based assay only (n = 10; 6 negative in CSF), and other (n = 18). Adverse reactions from immunotherapies occurred in 17 of 84 patients (20%). Potential contributors to misdiagnosis included overinterpretation of positive serum antibodies (53 [50%]), misinterpretation of functional/psychiatric, or nonspecific cognitive dysfunction as encephalopathy (41 [38%]). Conclusions and Relevance When evaluating for autoimmune encephalitis, a broad differential diagnosis should be considered and misdiagnosis occurs in many settings including at specialized centers. In this study, red flags suggesting alternative diagnoses included an insidious onset, positive nonspecific serum antibody, and failure to fulfill autoimmune encephalitis diagnostic criteria. Autoimmune encephalitis misdiagnosis leads to morbidity from unnecessary immunotherapies and delayed treatment of the correct diagnosis.
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Affiliation(s)
- Eoin P. Flanagan
- Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota
- Center for Multiple Sclerosis and Autoimmune Neurology, Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Michael D. Geschwind
- Department of Neurology, University of California, San Francisco (UCSF), San Francisco
| | | | - Kyle M. Blackburn
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas
| | - Sanchit Turaga
- Autoimmune Neurology Group, West Wing, Level 3, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - Sophie Binks
- Autoimmune Neurology Group, West Wing, Level 3, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
| | - Jennifer Zitser
- Department of Neurology, University of California, San Francisco (UCSF), San Francisco
- Movement Disorders Unit, Department of Neurology, Tel Aviv Sourazky Medical Center, Affiliate of Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Jeffrey M. Gelfand
- Department of Neurology, University of California, San Francisco (UCSF), San Francisco
| | - Gregory S. Day
- Department of Neurology, Mayo Clinic, Jacksonville, Florida
- Washington University in St Louis, St Louis, Missouri
| | | | | | | | | | - Sean J. Pittock
- Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota
- Center for Multiple Sclerosis and Autoimmune Neurology, Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Andrew McKeon
- Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota
- Center for Multiple Sclerosis and Autoimmune Neurology, Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Divyanshu Dubey
- Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota
- Center for Multiple Sclerosis and Autoimmune Neurology, Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Anastasia Zekeridou
- Laboratory Medicine and Pathology, Mayo Clinic College of Medicine, Rochester, Minnesota
- Center for Multiple Sclerosis and Autoimmune Neurology, Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Michel Toledano
- Center for Multiple Sclerosis and Autoimmune Neurology, Department of Neurology, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Lindsey E. Turner
- Graduate School of Health Sciences, Mayo Clinic College of Medicine, Rochester, Minnesota
| | - Steven Vernino
- Department of Neurology, University of Texas Southwestern Medical Center, Dallas
| | - Sarosh R. Irani
- Autoimmune Neurology Group, West Wing, Level 3, John Radcliffe Hospital, University of Oxford, Oxford, United Kingdom
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Krivitski D, Alcalay Y, Peer M, Paran Y, Eisenstein O, Davidson T, Gadoth A. Bilateral hearing loss preceding rhomboencephalitis - a hint for Kelch-like 11 syndrome. Neurol Sci 2023; 44:369-372. [PMID: 36112277 DOI: 10.1007/s10072-022-06369-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 08/23/2022] [Indexed: 01/10/2023]
Abstract
BACKGROUND Paraneoplastic neurological syndromes have diverse clinical presentations and offer an opportunity for early diagnosis of malignancy and treatment. Recently, a new paraneoplastic syndrome associated with seminoma was described, consisting of rhombencephalitis with antibodies targeting the Kelch-like protein 11 (KLHL11). Questions were raised as to the spectrum of clinical symptoms and strength of association to seminoma. METHODS We present a 45-year-old man with bilateral sensorineural hearing loss, vertigo, and progressive ataxia. An extensive diagnostic workup led to the diagnosis of anti-KLHL11 paraneoplastic syndrome based on an immunofluorescence assay showing a typical pattern and a confirmatory serological assay. As a result, the patient underwent a meticulous search for an underlying seminoma. RESULTS Although initially, all images were interpreted as negative, a revision of the positron emission tomography-CT (PET-CT) examination identified a small mediastinal suspicious mass. The mass was resected, and pathological examination confirmed it to be an extra-testicular seminoma. CONCLUSIONS Patients presenting with progressive sensorineural hearing loss, vertigo, and ataxia should be evaluated for KLHL11 paraneoplastic syndrome. Furthermore, we support a strong association between anti-KLH11 rhombencephalitis and an underlying seminoma and recommend a thorough search for an undiagnosed germ cell tumor in these patients.
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Affiliation(s)
- David Krivitski
- Department of Neurology, Tel Aviv Medical Center, Tel Aviv, 6243906, Israel.
| | - Yifat Alcalay
- Department of Neurology, Tel Aviv Medical Center, Tel Aviv, 6243906, Israel.,Immunology Laboratory, Epilepsy Service Imaging Unit, Tel Aviv Medical Center, 6243906, Tel Aviv, Israel.,Encephalitis Center, Epilepsy Service Imaging Unit, Tel Aviv Medical Center, 6243906, Tel Aviv, Israel
| | - Michael Peer
- Department of Thoracic Surgery, Epilepsy Service Imaging Unit, Tel Aviv Medical Center, 6243906, Tel Aviv, Israel
| | - Yael Paran
- Encephalitis Center, Epilepsy Service Imaging Unit, Tel Aviv Medical Center, 6243906, Tel Aviv, Israel.,Infectious Disease Unit, Epilepsy Service Imaging Unit, Tel Aviv Medical Center, 6243906, Tel Aviv, Israel
| | - Orna Eisenstein
- Encephalitis Center, Epilepsy Service Imaging Unit, Tel Aviv Medical Center, 6243906, Tel Aviv, Israel.,Imaging Division, Epilepsy Service Imaging Unit, Tel Aviv Medical Center, 6243906, Tel Aviv, Israel
| | - Tima Davidson
- Department of Nuclear Medicine, Sheba Medical Center, Tel Hashomer, Israel
| | - Avi Gadoth
- Department of Neurology, Tel Aviv Medical Center, Tel Aviv, 6243906, Israel.,Encephalitis Center, Epilepsy Service Imaging Unit, Tel Aviv Medical Center, 6243906, Tel Aviv, Israel
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Reinecke R, Reiländer A, Seiler A, Koch C, Voss M. Opsoclonus-myoclonus syndrome associated with pancreatic neuroendocrine tumor: a case report. BMC Neurol 2022; 22:507. [PMID: 36581905 PMCID: PMC9801616 DOI: 10.1186/s12883-022-03012-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 12/06/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Opsoclonus-myoclonus syndrome (OMS) is a rare, immune-mediated neurological disorder. In adults, the pathogenesis can be idiopathic, post-infectious or paraneoplastic, the latter etiology belonging to the ever-expanding group of defined paraneoplastic neurological syndromes (PNS). In contrast to other phenotypes of PNS, OMS cannot be ascribed to a single pathogenic autoantibody. Here, we report the first detailed case of paraneoplastic, antibody-negative OMS occurring in association with a pancreatic neuroendocrine tumor (pNET). CASE PRESENTATION A 33-year-old female presented with a two-week history of severe ataxia of stance and gait, dysarthria, head tremor, myoclonus of the extremities and opsoclonus. Her past medical history was notable for a metastatic pancreatic neuroendocrine tumor, and she was subsequently diagnosed with paraneoplastic opsoclonus-myoclonus syndrome. Further workup did not reveal a paraneoplastic autoantibody. She responded well to plasmapheresis, as she was refractory to the first-line therapy with corticosteroids. CONCLUSIONS This case expands current knowledge on tumors associated with paraneoplastic opsoclonus-myoclonus syndrome and the age group in which it can occur. It further adds evidence to the effectiveness of plasmapheresis in severe cases of opsoclonus-myoclonus syndrome with a lack of response to first-line therapy.
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Affiliation(s)
- Raphael Reinecke
- grid.7839.50000 0004 1936 9721Department of Neurology, Goethe University Frankfurt, Frankfurt am Main, Germany ,grid.7839.50000 0004 1936 9721Dr. Senckenberg Institute of Neurooncology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Annemarie Reiländer
- grid.7839.50000 0004 1936 9721Department of Neurology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Alexander Seiler
- grid.7839.50000 0004 1936 9721Department of Neurology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Christine Koch
- grid.7839.50000 0004 1936 9721Department of Gastroenterology, Hepatology and Endocrinology, Goethe University Frankfurt, Frankfurt am Main, Germany
| | - Martin Voss
- grid.7839.50000 0004 1936 9721Department of Neurology, Goethe University Frankfurt, Frankfurt am Main, Germany ,grid.7839.50000 0004 1936 9721Dr. Senckenberg Institute of Neurooncology, Goethe University Frankfurt, Frankfurt am Main, Germany
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Seizures, Epilepsy, and NORSE Secondary to Autoimmune Encephalitis: A Practical Guide for Clinicians. Biomedicines 2022; 11:biomedicines11010044. [PMID: 36672553 PMCID: PMC9855825 DOI: 10.3390/biomedicines11010044] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 12/08/2022] [Accepted: 12/12/2022] [Indexed: 12/29/2022] Open
Abstract
The most recent International League Against Epilepsy (ILAE) classification has included "immune etiology" along with other well-known causes of epilepsy. This was possible thanks to the progress in detection of pathogenic neural antibodies (Abs) in a subset of patients, and resulted in an increased interest in identifying potentially treatable causes of otherwise refractory seizures. Most autoimmune encephalitides (AE) present with seizures, but only a minority of cases evolve to long-term epilepsy. The risk of epilepsy is higher for patients harboring Abs targeting intracellular antigens (T cell-mediated and mostly paraneoplastic, such as Hu, CV2/CRMP5, Ma2, GAD65 Abs), compared with patients with neuronal surface Abs (antibody-mediated and less frequently paraneoplastic, such as NMDAR, GABAbR, LGI1, CASPR2 Abs). To consider these aspects, conceptual definitions for two entities were provided: acute symptomatic seizures secondary to AE, and autoimmune-associated epilepsy, which reflect the different pathophysiology and prognoses. Through this manuscript, we provide an up-to-date review on the current state of knowledge concerning diagnosis and management of patients with Ab-mediated encephalitis and associated epilepsy. Special emphasis is placed on clinical aspects, such as brain magnetic resonance imaging (MRI) and cerebrospinal fluid (CSF) specificities, electroencephalographic (EEG) findings, cancer screening and suggestions for a rational therapeutic approach.
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Muacevic A, Adler JR, Stone R, Zhong N, Lui F. An Unusual Case of Two Paraneoplastic Neurological Syndromes in a Patient With Lung Cancer. Cureus 2022; 14:e33047. [PMID: 36721608 PMCID: PMC9881601 DOI: 10.7759/cureus.33047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/27/2022] [Indexed: 12/29/2022] Open
Abstract
Paraneoplastic immune-mediated disorders have been well described in the literature. However, it is still relatively rare. The incidence has increased over the past decade due largely to the discovery of more autoantibodies. With a better understanding of the pathophysiology of different autoantibodies and clinical phenotypes, we are often able to diagnose clinically some specific paraneoplastic autoimmune neurological syndromes. We may also predict the response to treatment based on the autoantibody class. We are presenting a very unusual case of two completely different paraneoplastic syndromes with two different autoantibodies, gamma-aminobutyric acid-B (GABAB) and collapsin response mediator protein 5 (CRMP5), in a patient with underlying small-cell lung cancer. We will discuss the differences in the two antibody syndromes, their significance, and their management.
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Farina A, Villagrán-García M, Ciano-Petersen NL, Vogrig A, Muñiz-Castrillo S, Taillandier L, Michaud M, Lefilliatre M, Wang A, Lepine Z, Picard G, Wucher V, Dhairi M, Fabien N, Goncalves D, Rogemond V, Joubert B, Honnorat J. Anti-Hu Antibodies in Patients With Neurologic Side Effects of Immune Checkpoint Inhibitors. NEUROLOGY(R) NEUROIMMUNOLOGY & NEUROINFLAMMATION 2022; 10:10/1/e200058. [PMID: 36446613 PMCID: PMC9709718 DOI: 10.1212/nxi.0000000000200058] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Accepted: 09/19/2022] [Indexed: 12/02/2022]
Abstract
BACKGROUND AND OBJECTIVES To clinically characterize post-immune checkpoint inhibitor (ICI) Hu antibody (Ab) neurologic disorders, we analyzed Hu-Ab-positive patients with neurologic immune-related adverse events (n-irAEs) and compared them with patients with other n-irAEs, ICI-naive patients with Hu-Ab paraneoplastic neurologic syndromes (PNSs) identified in the same study center, and those with Hu-Ab n-irAEs reported elsewhere. METHODS Patients whose samples were sent to the French reference center for a suspicion of n-irAE (2015-2021) were identified; those with a final diagnosis of n-irAE and Hu-Ab were included. Control groups included patients with a final diagnosis of n-irAE occurring during the same period as the patients included (2018-2021) but without Hu-Ab, and ICI-naive patients with Hu-Ab PNS diagnosed during the same period; a systematic review was performed to identify previous reports. RESULTS Eleven patients with Hu-Ab and n-irAEs were included (median age, 66 years, range 44-76 years; 73% men). Ten patients had small cell lung cancer, and 1 had lung adenocarcinoma. The median follow-up from onset was 3 months (range 0.5-18 months). Compared with those with other n-irAEs (n = 63), Hu-Ab-positive patients had more frequently co-occurring involvement of both central and peripheral nervous systems (36% vs 8%, p = 0.02) and limbic (54% vs 14%, p < 0.01), brainstem (27% vs 5%, p = 0.02), and dorsal root ganglia (45% vs 5%, p < 0.01) involvement. The proportion of patients with severe disability (modified Rankin Scale score >3) at diagnosis was higher among Hu-Ab n-irAEs (91% vs 52%, p = 0.02). Patients with Hu-Ab had also poorer outcome (100% vs 28%, p < 0.01) and higher mortality (91% vs 46%, p < 0.01). There was no significant difference in terms of clinical features between Hu-Ab n-irAEs and ICI-naive Hu-Ab PNS (n = 92), but there was a poorer outcome (56/78, 71%, p < 0.01) and higher mortality (26%, p < 0.01) among the former. No significant difference was found between the patients reported herein and those in the literature. DISCUSSION The presence of Hu-Ab identifies a subgroup of n-irAEs that consistently reproduce the phenotypes of Hu-Ab-related PNS, supporting the hypothesis of ICI triggering or unmasking PNS. As these patients show high disability and mortality, further studies are required to investigate the underlying immunopathogenic mechanisms and to improve the outcome of Hu-Ab n-irAEs.
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Affiliation(s)
- Antonio Farina
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Macarena Villagrán-García
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Nicolás Lundahl Ciano-Petersen
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Alberto Vogrig
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Sergio Muñiz-Castrillo
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Luc Taillandier
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Maud Michaud
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Mathilde Lefilliatre
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Adrien Wang
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Zoe Lepine
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Géraldine Picard
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Valentin Wucher
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Maroua Dhairi
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Nicole Fabien
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - David Goncalves
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Véronique Rogemond
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Bastien Joubert
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France
| | - Jèrôme Honnorat
- From the Centre National de Référence pour les Syndromes Neurologiques Paranéoplasiques (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Hospices Civils de Lyon, France; MeLiS - UCBL-CNRS UMR 5284 - INSERM U1314 (A.F., M.V.G., N.L.C.-P., A.V., S.M.-C., G.P., V.W., M.D., V.R., B.J., J.H.), Université Claude Bernard Lyon 1, France; Dipartimento di Neuroscienze (A.F.), Psicologia, Area del Farmaco e Salute del Bambino, Università di Firenze, Italia; Unité de Neuro Oncologie (L.T.), Département de Neurologie, Hôpital Central, Nancy Cedex, France; Unité mixte de Recherche 7039 CRAN BioSiS CNRS (L.T.), Faculté de Médecine, Vandoeuvre les Nancy, France; Centre de Référence des Pathologies Neuromusculaires de l'Adulte (Nord-Est-Ile de France) (M.M.), Service de Neurologie, CHU Central Nancy, France; Service de Neurologie (M.L.), CHU Central Caen, France; Service de Neurologie (A.W.), Hôpital Foch, Suresnes, France; Service de Neurologie (Z.L.), Centre Hospitalier de Pau, France; Service d'Immunologie (N.F., D.G.), Hôpital Lyon Sud, Hospices Civils de Lyon Pierre-Bénite, France; and ImmuCare (Immunology Cancer Research) (B.J., J.H.), Institut de Cancérologie, Hospices Civils de Lyon, France.
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