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Akimoto T, Hara M, Hirose S, Nakamichi K, Nakajima H. Cerebellar Progressive Multifocal Leukoencephalopathy Mimicking Anti-Yo-Antibody-Associated Rapidly Progressive Cerebellar Syndrome. Neurol Int 2023; 15:917-925. [PMID: 37606392 PMCID: PMC10443244 DOI: 10.3390/neurolint15030059] [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] [Received: 05/30/2023] [Revised: 07/15/2023] [Accepted: 07/24/2023] [Indexed: 08/23/2023] Open
Abstract
A 58-year-old woman with a history of systemic lupus erythematosus (SLE) who was taking prednisolone and mycophenolate mofetil presented with gait disturbances that progressively worsened over a period of 3 months. Her blood test and cerebrospinal fluid (CSF) examination results did not indicate active SLE. Initial brain magnetic resonance imaging (MRI) revealed a small spotty lesion in the left cerebellar peduncle. The clinical course was consistent with rapidly progressive cerebellar syndrome (RPCS), which sometimes involves neuronal antibodies. The line blot assay detected anti-Yo antibodies, but no malignancy was found. Immunohistological techniques using rat brain sections yielded a negative result for anti-Yo antibodies. The second MRI revealed a focal lesion and surrounding spotty lesion in the left cerebellar peduncle, which was consistent with the punctate pattern observed in progressive multifocal leukoencephalopathy (PML). The CSF JCV-DNA test indicated the presence of cerebellar PML. Immunosuppressants were reduced, and mefloquine and mirtazapine were initiated. After approximately 2 years and 1 month, the CSF JCV-DNA results became negative. Cerebellar PML may exhibit a clinical course that is consistent with RPCS. The punctate pattern should be recognized as an early manifestation of PML. The CSF JCV-DNA copy number may serve as a useful indicator of PML stabilization.
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Affiliation(s)
- Takayoshi Akimoto
- Division of Neurology, Department of Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Makoto Hara
- Division of Neurology, Department of Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Satoshi Hirose
- Division of Neurology, Department of Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan
| | - Kazuo Nakamichi
- Department of Virology 1, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Hideto Nakajima
- Division of Neurology, Department of Medicine, Nihon University School of Medicine, Tokyo 173-8610, Japan
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Singh TS, Singh K. Acute Cerebellar Ataxia as the Presenting Symptom of Progressive Multifocal Leukoencephalopathy with HIV - A Case Report. Neurol India 2021; 69:1018-1020. [PMID: 34507433 DOI: 10.4103/0028-3886.325348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
A 45-year-old man presented with acute onset ataxia for last 1 week. On examination he had signs of left-sided cerebellar involement. MRI brain revealed asymmetric altered signal intensities in bilateral cerebellar hemispheres suggesting demyelinating lesions. ELISA for Human Immune Deficiency virus-1 was positive. CSF JC virus DNA PCR was positive. A diagnosis of Progressive Multifocal Leukoencephalopathy (PML) was made on the basis of clinico-radiological picture and JC virus DNA PCR presence in CSF. PML is unknown and under diagnosed CNS infection seen in HIV patients mostly seen with advanced disease. We present an unusual case report where isolated cerebellar involvement occurred as the first AIDS defining event in the absence of appreciable immunodeficiency in a patient with previously undiagnosed HIV infection.
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Affiliation(s)
- Th Suraj Singh
- Department of General Medicine, Regional Institute of Medical Sciences, Imphal, Manipur, India
| | - Kuldeep Singh
- Department of General Medicine, Regional Institute of Medical Sciences, Imphal, Manipur, India
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Sakuraba M, Watanabe S, Nishiyama Y, Takahashi K, Nakamichi K, Suzuki M, Nawata T, Komai K, Gono T, Takeno M, Suzuki T, Kimura K, Kuwana M. Infratentorial onset of progressive multifocal leukoencephalopathy in a patient with systematic lupus erythematosus complicated with lymphoma: a case report. Mod Rheumatol Case Rep 2021; 5:272-277. [PMID: 33719867 DOI: 10.1080/24725625.2021.1899763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Progressive multifocal leukoencephalopathy (PML) is a rare opportunistic infection of the central nervous system caused by reactivation of JC virus (JCV). Typical PML shows confluent, bilateral but asymmetric, subcortical lesions in the supratentorial white matter on magnetic resonance imaging (MRI). We report here a 50-year-old woman with systemic lupus erythematosus complicated with lymphoma who developed PML with atypical brain MRI findings limited to the infratentorial area at presentation. She presented with numbness on the right side of the face, including her tongue, clumsiness of the right hand, and gait disturbance, after completion of remission induction therapy for lymphoma, including rituximab. Brain MRI demonstrated a solitary lesion limited to the cerebellum and brainstem, but a definitive diagnosis could not be made from cerebrospinal fluid study or tentative histologic evaluation of brain biopsy specimens. Despite methylprednisolone pulse therapy, her neurological deficits progressively worsened. One month later, in-depth analysis of her cerebrospinal fluid and brain biopsy specimens confirmed the presence of JCV. Eventually, the localised unilateral crescent-shaped cerebellar lesions on MRI expanded to the contralateral cerebellum, middle cerebellar hemisphere, pons, and midbrain and finally developed multifocal invasion into the white matter of the cerebral hemispheres. Our case suggests that PML could first present with a solitary infratentorial lesion in immunocompromised patients.
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Affiliation(s)
- Mita Sakuraba
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Shinji Watanabe
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Yasuhiro Nishiyama
- Department of Neurological Science, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Kenta Takahashi
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Kazuo Nakamichi
- Department of Virology 1, National Institute of Infectious Diseases, Tokyo, Japan
| | - Mikito Suzuki
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Takashi Nawata
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Kota Komai
- Department of Neurological Science, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Takahisa Gono
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Mitsuhiro Takeno
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Tadaki Suzuki
- Department of Pathology, National Institute of Infectious Diseases, Tokyo, Japan
| | - Kazumi Kimura
- Department of Neurological Science, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
| | - Masataka Kuwana
- Department of Allergy and Rheumatology, Nippon Medical School Graduate School of Medicine, Tokyo, Japan
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McNamara C, Sugrue G, Murray B, MacMahon PJ. Current and Emerging Therapies in Multiple Sclerosis: Implications for the Radiologist, Part 2-Surveillance for Treatment Complications and Disease Progression. AJNR Am J Neuroradiol 2017; 38:1672-1680. [PMID: 28428206 DOI: 10.3174/ajnr.a5148] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
An understanding of the new generation of MS drugs in conjunction with the key role MR imaging plays in the detection of disease progression, opportunistic infections, and drug-related adverse effects is of vital importance to the neuroradiologist. Part 1 of this review outlined the current treatment options available for MS and examined the mechanisms of action of the various medications. It also covered specific complications associated with each form of therapy. Part 2, in turn deals with the subject of pharmacovigilance and the optimal frequency of MRI monitoring for each individual patient, depending on his or her unique risk profile. Special attention is given to the diagnosing of progressive multifocal leukoencephalopathy in patients treated with natalizumab as this is a key area in which neuroradiologists can contribute to improved patient outcomes. This article also outlines the aims of treatment and reviews the possibility of "no evidence of disease activity" becoming a treatment goal with the availability of more effective therapies. Potential future areas and technologies including image subtraction, brain volume measurement and advanced imaging techniques such as double inversion recovery are also reviewed. It is anticipated that such advancements in this rapidly developing field will improve the accuracy of monitoring an individual patient's response to treatment.
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Affiliation(s)
- C McNamara
- From the Departments of Radiology (C.M., G.S., P.J.M.)
| | - G Sugrue
- From the Departments of Radiology (C.M., G.S., P.J.M.)
| | - B Murray
- Neurology (B.M.), Mater Misericordiae University Hospital, Dublin, Ireland
| | - P J MacMahon
- From the Departments of Radiology (C.M., G.S., P.J.M.)
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Sauer R, Gölitz P, Jacobi J, Schwab S, Linker RA, Lee DH. Good outcome of brain stem progressive multifocal leukoencephalopathy in an immunosuppressed renal transplant patient: Importance of early detection and rapid immune reconstitution. J Neurol Sci 2017; 375:76-79. [DOI: 10.1016/j.jns.2017.01.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 12/20/2016] [Accepted: 01/13/2017] [Indexed: 12/23/2022]
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Saylor D, Venkatesan A. Progressive Multifocal Leukoencephalopathy in HIV-Uninfected Individuals. Curr Infect Dis Rep 2016; 18:33. [PMID: 27686675 DOI: 10.1007/s11908-016-0543-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Progressive multifocal leukoencephalopathy (PML) is a demyelinating disease of the central nervous system (CNS) caused by the human neurotropic polyomavirus JC (JCV). The disease occurs virtually exclusively in immunocompromised individuals, and, prior to the introduction of antiretroviral therapy, was seen most commonly in the setting of HIV/AIDS. More recently, however, the incidence of PML in HIV-uninfected persons has increased with broader use of immunosuppressive and immunomodulatory medications utilized in a variety of systemic and neurologic autoimmune disorders. In this review, we discuss the epidemiology and clinical characteristics of PML in HIV-uninfected individuals, as well as diagnostic modalities and the limited treatment options. Moreover, we describe recent findings regarding the neuropathogenesis of PML, with specific focus on the unique association between PML and natalizumab, a monoclonal antibody that prevents trafficking of activated leukocytes into the CNS that is used for the treatment of multiple sclerosis.
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Affiliation(s)
- Deanna Saylor
- Division of Neuroimmunology and Neuro-Infectious Diseases, Department of Neurology, The Johns Hopkins University School of Medicine, Meyer 6-113, 600 N. Wolfe Street, Baltimore, MD, 21287, USA
| | - Arun Venkatesan
- Division of Neuroimmunology and Neuro-Infectious Diseases, Department of Neurology, The Johns Hopkins University School of Medicine, Meyer 6-113, 600 N. Wolfe Street, Baltimore, MD, 21287, USA.
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Ito D, Yasui K, Hasegawa Y, Nakamichi K, Katsuno M, Takahashi A. Progressive multifocal leukoencephalopathy with bilateral middle cerebellar peduncle lesions confirmed by repeated CSF-JC virus tests and coexistence of JC virus granule cell neuronopathy. Report of a case. Rinsho Shinkeigaku 2016; 56:481-5. [PMID: 27356732 DOI: 10.5692/clinicalneurol.cn-000873] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
A 65 year-old woman with small lymphocytic leukemia presented with subacute cerebellar ataxia. Six months after rituximab chemotherapy, a cranial MRI revealed lesions in the bilateral middle cerebellar peduncles. Both cerebrospinal fluid (CSF) JC virus (JCV)-DNA PCR test on three occasions and brain biopsy were negative. CSF tests were repeated. The fourth test performed 6 months after the onset showed positive JCV-DNA, and a definite diagnosis of progressive multifocal leukoencephalopathy (PML) was made. Neuroimaging of cerebellar atrophy was considered to be coexistence of granule cell neuronopathy. Medication with mirtazapine and mefloquine was temporarily effective for several months. Little are known solitary bilateral MRI lesions of the middle cerebellar peduncle in PML. JCV-PCR test of CSF may be negative at an earlier stage of PML. Repeated CSF tests should be essential to confirming the diagnosis in such cases.
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Affiliation(s)
- Daisuke Ito
- Department of Neurology, Japan Red Cross Nagoya Daini Hospital
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Henegar CE, Eudy AM, Kharat V, Hill DD, Bennett D, Haight B. Progressive multifocal leukoencephalopathy in patients with systemic lupus erythematosus: a systematic literature review. Lupus 2016; 25:617-26. [PMID: 26743322 DOI: 10.1177/0961203315622819] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Accepted: 11/24/2015] [Indexed: 11/15/2022]
Abstract
OBJECTIVE To determine risk factors for progressive multifocal leukoencephalopathy (PML) in systemic lupus erythematosus (SLE) patients, and understand how underlying disease or treatment for SLE may be associated with PML in this population. METHODS Studies published in English between January 1, 1984 and October 31, 2014 that reported PML in adult SLE patients were included. Immunosuppression was defined as exposure to ≥1 immunosuppressant drug of interest at PML diagnosis: belimumab, rituximab, mycophenolate mofetil, azathioprine, cyclophosphamide, methotrexate and high-dose corticosteroids (>15 mg/day). Minimal immunosuppression was defined as low-dose corticosteroids (≤15 mg/day) and/or anti-malarials. RESULTS Thirty-five publications met our inclusion criteria: four observational studies, two large case series, and 29 case reports that described 35 cases. Reported PML incidence rates among SLE patients based on observational studies ranged from 1.0 to 2.4 cases/100,000 person-years. Of the 35 case reports, three cases were exposed to no immunosuppressant drugs at PML diagnosis, five cases had minimal immunosuppression, 23 cases had immunosuppression, and four cases were indeterminate. CONCLUSIONS The evidence from this literature review suggests that, while PML is a very rare disease in SLE patients, there does appear to be an increased risk of PML associated with SLE compared to the general population, potentially due to immunosuppression, other contributing factors in their underlying disease, treatments prescribed to manage disease, or some combination of these factors. Additional large observational studies, designed to assess exposure to drugs of interest and complicated treatment histories, are needed to provide further evidence about potential mechanisms contributing to the onset of PML in SLE patients.
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Affiliation(s)
- C E Henegar
- Worldwide Epidemiology, GlaxoSmithKline, Research Triangle Park, USA
| | - A M Eudy
- Worldwide Epidemiology, GlaxoSmithKline, Research Triangle Park, USA Gillings School of Global Public Health, The University of North Carolina at Chapel Hill, Chapel Hill, USA
| | - V Kharat
- Worldwide Epidemiology, GlaxoSmithKline, Research Triangle Park, USA
| | - D D Hill
- Worldwide Epidemiology, GlaxoSmithKline, Research Triangle Park, USA
| | - D Bennett
- Worldwide Epidemiology, GlaxoSmithKline, Research Triangle Park, USA
| | - B Haight
- Global Clinical Safety and Pharmacovigilance, GlaxoSmithKline, Research Triangle Park, USA
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Neuroimaging of Natalizumab Complications in Multiple Sclerosis: PML and Other Associated Entities. Mult Scler Int 2015; 2015:809252. [PMID: 26483978 PMCID: PMC4592919 DOI: 10.1155/2015/809252] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Revised: 08/14/2015] [Accepted: 08/31/2015] [Indexed: 12/19/2022] Open
Abstract
Natalizumab (Tysabri) is a monoclonal antibody (α4 integrin antagonist) approved for treatment of multiple sclerosis, both for patients who fail therapy with other disease modifying agents and for patients with aggressive disease. Natalizumab is highly effective, resulting in significant decreases in rates of both relapse and disability accumulation, as well as marked decrease in MRI evidence of disease activity. As such, utilization of natalizumab is increasing, and the presentation of its associated complications is increasing accordingly. This review focuses on the clinical and neuroimaging features of the major complications associated with natalizumab therapy, focusing on the rare but devastating progressive multifocal leukoencephalopathy (PML). Associated entities including PML associated immune reconstitution inflammatory syndrome (PML-IRIS) and the emerging phenomenon of rebound of MS disease activity after natalizumab discontinuation are also discussed. Early recognition of neuroimaging features associated with these processes is critical in order to facilitate prompt diagnosis, treatment, and/or modification of therapies to improve patient outcomes.
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Nwankwo N, Yeddula K, Vogel J. Progressive neurological deficit in an HIV patient. BMJ Case Rep 2013; 2013:bcr-2013-009985. [PMID: 23771974 DOI: 10.1136/bcr-2013-009985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Affiliation(s)
- Nwabundo Nwankwo
- Department of Internal Medicine, Saint Joseph Hospital, Chicago, Illinois, USA.
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Sahraian MA, Radue EW, Eshaghi A, Besliu S, Minagar A. Progressive multifocal leukoencephalopathy: a review of the neuroimaging features and differential diagnosis. Eur J Neurol 2011; 19:1060-9. [PMID: 22136455 DOI: 10.1111/j.1468-1331.2011.03597.x] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Progressive multifocal leukoencephalopathy (PML) is an uncommon and often fatal demyelinating disease of human central nervous system, which is caused by reactivation of the polyomavirus JC (JCV). PML generally occurs in patients with profound immunosuppression such as AIDS patients. Recently, a number of PML cases have been associated with administration of natalizumab for treatment of multiple sclerosis (MS) patients. Diagnosis and management of PML became a major concern after its occurrence in multiple sclerosis patients treated with natalizumab. Diagnosis of PML usually rests on neuroimaging in the appropriate clinical context and is further confirmed by cerebrospinal fluid polymerase chain reaction (PCR) for JCV DNA. Treatment with antiretroviral therapies in HIV-seropositive patients or discontinuing natalizumab in MS patients with PML may lead to the development of immune reconstitution inflammatory syndrome (IRIS) which presents with deterioration of the previous symptoms and may lead to death. In patients under treatment with monoclonal antibodies in routine practice, or new ones in ongoing clinical trials, differentiating PML from new MS lesions on brain MRI is critical for both the neurologists and neuroradiologists. In this review, we discuss the clinical features, neuroimaging manifestations of PML, IRIS and neuroimaging clues to differentiate new MS lesions from PML. In addition, various neuroimaging features of PML on the non-conventional MR techniques such as diffusion-weighted imaging (DWI), diffusion tensor imaging (DTI), and MR spectroscopy (MRS) are discussed.
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Affiliation(s)
- M A Sahraian
- Sina MS Research Center, Brain and Spinal Injury Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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Shah R, Bag AK, Chapman PR, Curé JK. Imaging manifestations of progressive multifocal leukoencephalopathy. Clin Radiol 2010; 65:431-9. [PMID: 20451009 DOI: 10.1016/j.crad.2010.03.001] [Citation(s) in RCA: 88] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2009] [Revised: 02/23/2010] [Accepted: 03/02/2010] [Indexed: 12/21/2022]
Abstract
Progressive multifocal leukoencephalopathy (PML) is a demyelinating disease caused by reactivation of JC virus in immunosuppressed patients. The diagnosis is usually suggested on imaging and confirmed by cerebrospinal fluid polymerase chain reaction (PCR) for JC virus DNA. In this article, we review the imaging manifestations of PML on computed tomography (CT), magnetic resonance imaging (MRI), diffusion-weighted imaging (DWI), diffusion tensor imaging (DTI), MR spectroscopy, single photon-emission computed tomography (SPECT) and positron-emission tomography (PET), and outline the role of imaging in follow-up and prognostication.
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Affiliation(s)
- R Shah
- Division of Neuroradiology, Department of Diagnostic Radiology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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