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Joy S, Agarwal A, Shamim SA, Garg A. Seronegative paraneoplastic encephalomyelitis in occult colonic carcinoma. BMJ Case Rep 2023; 16:e254397. [PMID: 37696607 PMCID: PMC10496712 DOI: 10.1136/bcr-2022-254397] [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: 09/13/2023] Open
Abstract
Paraneoplastic neurological syndromes are immune-mediated neurological attacks triggered by malignancies. They are commonly associated with lung, breast, thymus, gynaecological and haematological malignancies. We report a case of a male patient in his late 40s with paraneoplastic encephalomyelitis due to a colonic adenocarcinoma emphasising a low threshold for extensive cancer evaluation in all subacutely presenting neurological syndromes. We also emphasise that the absence of a positive onconeural antibody does not preclude the diagnosis of a paraneoplastic syndrome.
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Gao FQ, Zhang JM, Li CF. Paraneoplastic pemphigus misdiagnosed as juvenile dermatomyositis: A case report. Int J Rheum Dis 2023; 26:1826-1829. [PMID: 37166030 DOI: 10.1111/1756-185x.14684] [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: 11/06/2022] [Revised: 01/21/2023] [Accepted: 03/14/2023] [Indexed: 05/12/2023]
Abstract
Paraneoplastic pemphigus (PNP) is a rare autoimmune skin disease closely related to tumors, characterized by a maculopapular rash with mucosal pain, bronchiole occlusion, and respiratory failure may occur over time, even resulting in death. We report a rare case of a child with autoimmune PNP misdiagnosed as juvenile dermatomyositis (JDM), and summarize the key points of differentiation of clinical manifestations and auxiliary examinations of PNP and JDM. When the diagnosis is not clear because the patient has features not typical of JDM, then skin biopsy and other diagnostic studies should be considered prior to any immunosuppressive therapy, as this could potentially obscure and delay the diagnosis of malignancy.
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Ledur GR, Trindade-Gerardi AB, Pavarini SP, de Oliveira LO, Dos Santos KHS, Ferreiro L, Gerardi DG. Presence of Gastrointestinal Paraneoplastic Syndrome at Diagnosis in Dogs With Cutaneous Mast Cell Tumors and Its Influence on Disease-Free Interval and Survival. Top Companion Anim Med 2023; 56-57:100808. [PMID: 37648020 DOI: 10.1016/j.tcam.2023.100808] [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: 11/25/2022] [Revised: 06/17/2023] [Accepted: 08/21/2023] [Indexed: 09/01/2023]
Abstract
Paraneoplastic syndrome (PNS) is a combination of signs unrelated to the physical presence of a tumor and/or its metastases. Its presence may result in poorer clinical outcomes and prognosis. Gastrointestinal ulceration is a well-known PNS in animals with cutaneous MCT. This retrospective study analyzed the occurrence of gastrointestinal (GI) PNS at the time of diagnosis. Using medical records, we attempted to correlate the occurrence of these GI signs with clinical and histologic criteria, as well as to evaluate their influence on the disease-free interval (DFI) and survival (ST) over a 6-year follow-up period (2013-2020). The medical records of 41 dogs with a confirmed diagnosis of cutaneous MCT treated between 2013 and 2014 were included. All dogs underwent surgical biopsy or tumor excision, endoscopic and histologic examination to evaluate possible GI lesions. The presence and severity of GI signs were recorded. Clinical data such as the history of recurrence, number of tumors, tumor size, presence of ulceration, local pruritus, edema and erythema, histopathological classification, and mitotic index were extracted from medical records. Clinical signs relating to the GI system were observed in 41.5% of the dogs and were classified as mild in 94.1% at the time of diagnosis. Endoscopic examination of the upper digestive tract showed evidence of inflammation, but histologic examination of the mucosa showed no serious lesions in any case. There was no significant association between the occurrence of clinical GI signs and any of the variables studied. Follow-up issues meant that only 38 dogs were included for evaluation of the ST and 32 for DFI analysis. DFI was 25.1 months for dogs with GI signs and 14.8 months for dogs without GI signs. At the end of the study, 71.1% of patients had died. Survival time for dogs with GI signs was 54.9 months and 48 months for dogs without GI signs. Over the 6 years of the study, no differences were observed between the ST and the DFI, and the presence or absence of GI PNS at the time of diagnosis.
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Moldovan T, Boynton D, Kuperus J, Parker J, Noyes SL, Brede CM, Tobert CM, Lane BR. Incidence and clinical relevance of paraneoplastic syndromes in patients with renal cell carcinoma. Urol Oncol 2023; 41:392.e11-392.e17. [PMID: 37537025 DOI: 10.1016/j.urolonc.2023.06.015] [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: 03/23/2023] [Revised: 06/02/2023] [Accepted: 06/26/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND Paraneoplastic syndromes (PNS) are defined as the signs and symptoms attributed to cytokines or hormones released from a tumor or a patient's immune system. PNS have been reported with many cancers for decades and data supporting their relevance in renal cell carcinoma (RCC) are largely historical. The widespread use of electronic medical record (EMR) systems provides a more robust method to capture data. The objective of this study was to establish contemporary data regarding the incidence and relevance of PNS in patients undergoing nephrectomy for suspected RCC. METHODS In this retrospective single-institution study, 851 patients undergoing nephrectomy for suspected RCC between 2011 and 2018 were assessed for the presence or absence of PNS as defined by laboratory abnormalities. Factors associated with PNS and with all-cause mortality were examined. RESULTS The incidence of PNS was 33.1% among 851 patients prior to nephrectomy. The most prevalent PNS were anemia (22.4%), thrombocytosis (7.5%), and elevated C-reactive protein (CRP) (7.4%). PNS were more common in women (39.2% vs. 29.4%, p = 0.0032) and higher stage RCC (31.1% of stage I vs. 54.2% of stage IV, p = 0.0036). Factors associated with the presence of PNS in multivariable analysis included female gender, high comorbidity, and stage IV RCC. Prenephrectomy PNS were associated with poorer survival in multivariable analysis (HR: 2.12, p = 0.0002). Resolution of PNS occurred in 52.1% of patients after nephrectomy, including 55.2% with stage I to III and 38.5% with stage IV RCC (p = 0.10). CONCLUSIONS Using EMR data, laboratory evidence of PNS was present in one-third of a contemporary cohort of patients undergoing nephrectomy, with >50% of PNS resolving after surgery. Consistent with prior reports, PNS are more common in higher-stage RCC and are associated with poorer survival in RCC patients.
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Xu J, Yang X, Ge G, He D, Zheng X. Polyarthritis as a rare paraneoplastic syndrome associated with lung cancer: a case report. Scand J Rheumatol 2023; 52:589-590. [PMID: 37341466 DOI: 10.1080/03009742.2023.2217563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 05/22/2023] [Indexed: 06/22/2023]
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Geber A, Hadžavdić A, Ljubojević Hadžavdić S. The Leser-Trélat Sign in a Patient with Gastric Adenocarcinoma. ACTA DERMATOVENEROLOGICA CROATICA : ADC 2023; 31:51-52. [PMID: 37843094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 10/17/2023]
Abstract
Dear Editor, The Leser-Trélat sign is a rare paraneoplastic cutaneous marker of internal malignancy characterized by sudden eruption of multiple seborrheic keratoses (SK). It is mostly associated with gastrointestinal adenocarcinomas (gastric, colon, rectal), and less frequently with breast cancer and lymphoproliferative disorders/lymphoma (1). It can be also associated with lung, kidney, liver, and pancreas malignancy (1). Pruritus occurs in half of the patients. Lesions rarely require any treatment, as they mostly tend to resolve once management of the underlying malignancy has started (2). A 32-year-old female patient with family history of colorectal cancer presented with an acute eruption of SK. She reported that the first symptoms were the loss of appetite and intense pruritus. The brown papules appeared over a period of 2-3 months, first on her back, then on the abdomen, thorax, neck, and lasty on the extremities (Figures 1a and b.). Physical examination showed numerous brown hyperkeratotic papules and plaques on the trunk, neck, and extremities. The patient complained of night sweating, epigastric pain, and heartburn. Over the last three months, she had lost over 15 kg. The patient had experienced an episode of acute gastritis 10 years ago and had been treated for Helicobacter pylori infection 4 years ago. Laboratory results showed elevated sedimentation rate and decreased levels of hemoglobin, erythrocytes, and hematocrit. CA-19-9 and CEA levels were elevated. Gastroscopy with multiple biopsies confirmed gastric adenocarcinoma. An abdominal CT scan revealed enlarged retroperitoneal lymph nodes. SK withdrew after total gastrectomy and commencement of chemotherapy. The Leser-Thrélat sign was named after two surgeons, Edmund Leser and Ulysse Trélat, who described the eruption of cutaneous lesions in patients with cancer (3). However, the correlation between multiple SK and internal malignancy was described by Hollander in 1900 (4). Acute eruption of SK has also been reported in some other cases, such as benign tumors, pregnancy, human immunodeficiency virus infections, use of adalimumab, and others, which indicates that the Leser-Trélat sign is not highly specific (5). It is also somewhat controversial whether a sudden appearance of SK can be considered a marker for internal malignancy, since both SK and malignancies occur more frequently in the elderly population, thus allowing for a higher likelihood of coincidence (6). However, the patient in this case was young and therefore less likely to suddenly develop such a large number of SK, which are more commonly seen after the age of 50 (7). Although the pathogenesis of Leser-Thrélat sign is not fully understood, there are data suggesting an association with tumor-secreting growth factors including epidermal growth factor and transforming growth factor-alpha, both of which can stimulate the epidermal growth factor receptor (8). Sudden appearance of eruptive SK is uncommon in young patients. This specific sign highlights the importance of considering internal malignancy in the differential diagnosis of patients presenting with eruptive SK.
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Duvaltier L, El Karoui K, Bosselut N, Boutan-Laroze A, Boffa JJ, Buob D, Brousse R. The Case | A paraneoplastic kidney injury? Kidney Int 2023; 104:401-402. [PMID: 37479389 DOI: 10.1016/j.kint.2023.05.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/15/2023] [Accepted: 05/25/2023] [Indexed: 07/23/2023]
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Pagliaro T, Yau B, Mortimore R, Butler G. Severe oral ulceration with lichen planus-like histology associated with thymoma and delayed antibody detection-A late diagnosis of paraneoplastic pemphigus. Australas J Dermatol 2023; 64:450-451. [PMID: 37052268 DOI: 10.1111/ajd.14053] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 03/24/2023] [Accepted: 03/30/2023] [Indexed: 04/14/2023]
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Rodrigues C. Thymoma paraneoplastic syndrome awareness. PORTUGUESE JOURNAL OF CARDIAC THORACIC AND VASCULAR SURGERY 2023; 30:9. [PMID: 37418760 DOI: 10.48729/pjctvs.375] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 06/11/2023] [Indexed: 07/09/2023]
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Bansal VG, Sharnagat V. A Case Series of Nephrotic Syndrome: A Harbinger of Catastrophic Oncologic Diseases. THE JOURNAL OF THE ASSOCIATION OF PHYSICIANS OF INDIA 2023; 71:11-12. [PMID: 37449699 DOI: 10.59556/japi.71.0276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 07/18/2023]
Abstract
INTRODUCTION A cancer patient can have numerous complications involving the kidneys, ranging from acute kidney injury, chronic kidney disease, glomerulopathies, electrolyte, and acid-base disorders. It can be due to the malignancy itself or due to chemotherapeutic agents. Paraneoplastic glomerulopathy is a rare presentation of neoplastic disease. CASE DISCUSSION We present a case series of two patients presenting with nephrotic syndrome as a paraneoplastic syndrome associated with a gynecologic tumor. Both patients responded only partially to steroids and immunosuppressive therapy. Complete remission was only achieved after treatment of primary malignancy. CONCLUSION It is critical to recognize this entity as immunosuppression may induce a flare in the tumor course and worsen outcomes. So, age-appropriate screening of malignancy should ideally be performed in any adult patient with nephrotic syndrome.
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Laiseca-García J, García Rodríguez C, Moreno-Mata E. [Lichenoid drug eruption with unfavorable evolution. Difficulties in diagnosis]. REVISTA ALERGIA MÉXICO 2023; 70:111-112. [PMID: 37566775 DOI: 10.29262/ram.v70i2.1234] [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: 02/16/2023] [Accepted: 03/29/2023] [Indexed: 08/13/2023] Open
Abstract
We report the case of a woman who started with a lichenoid eruption, unfavorable evolution, for which a drug reaction was suspected. The final diagnosis was paraneoplastic pemphigus. Multidisciplinary care and evaluation by an Allergist is important in patients with severe skin reactions, suspected of drug reactions, due to the difficulty in establishing the diagnosis.
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Antiga E, Bech R, Maglie R, Genovese G, Borradori L, Bockle B, Caproni M, Caux F, Chandran NS, Corrà A, D’Amore F, Daneshpazhooh M, De D, Didona D, Dmochowski M, Drenovska K, Ehrchen J, Feliciani C, Goebeler M, Groves R, Günther C, Handa S, Hofmann SC, Horvath B, Ioannidis D, Jedlickova H, Kowalewski C, Kridin K, Joly P, Lim YL, Marinovic B, Maverakis E, Meijer J, Patsatsi A, Pincelli C, Prost C, Setterfield J, Sprecher E, Skiljevic D, Tasanen K, Uzun S, Van Beek N, Vassileva S, Vorobyev A, Vujic I, Wang G, Wang M, Wozniak K, Yayli S, Zambruno G, Hashimoto T, Schmidt E, Mascarò JM, Marzano AV. S2k guidelines on the management of paraneoplastic pemphigus/paraneoplastic autoimmune multiorgan syndrome initiated by the European Academy of Dermatology and Venereology (EADV). J Eur Acad Dermatol Venereol 2023; 37:1118-1134. [PMID: 36965110 PMCID: PMC10806824 DOI: 10.1111/jdv.18931] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 01/16/2023] [Indexed: 03/27/2023]
Abstract
BACKGROUND Paraneoplastic pemphigus (PNP), also called paraneoplastic autoimmune multiorgan syndrome (PAMS), is a rare autoimmune disease with mucocutaneous and multi-organ involvement. PNP/PAMS is typically associated with lymphoproliferative or haematological malignancies, and less frequently with solid malignancies. The mortality rate of PNP/PAMS is elevated owing to the increased risk of severe infections and disease-associated complications, such as bronchiolitis obliterans. OBJECTIVES These guidelines summarize evidence-based and expert-based recommendations (S2k level) for the clinical characterization, diagnosis and management of PNP/PAMS. They have been initiated by the Task Force Autoimmune Blistering Diseases of the European Academy of Dermatology and Venereology with the contribution of physicians from all relevant disciplines. The degree of consent among all task force members was included. RESULTS Chronic severe mucositis and polymorphic skin lesions are clue clinical characteristics of PNP/PAMS. A complete assessment of the patient with suspected PNP/PAMS, requiring histopathological study and immunopathological investigations, including direct and indirect immunofluorescence, ELISA and, where available, immunoblotting/immunoprecipitation, is recommended to achieve a diagnosis of PNP/PAMS. Detection of anti-envoplakin antibodies and/or circulating antibodies binding to the rat bladder epithelium at indirect immunofluorescence is the most specific tool for the diagnosis of PNP/PAMS in a patient with compatible clinical and anamnestic features. Treatment of PNP/PAMS is highly challenging. Systemic steroids up to 1.5 mg/kg/day are recommended as first-line option. Rituximab is also recommended in patients with PNP/PAMS secondary to lymphoproliferative conditions but might also be considered in cases of PNP/PAMS associated with solid tumours. A multidisciplinary approach involving pneumologists, ophthalmologists and onco-haematologists is recommended for optimal management of the patients. CONCLUSIONS These are the first European guidelines for the diagnosis and management of PNP/PAMS. Diagnostic criteria and therapeutic recommendations will require further validation by prospective studies.
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Shah R, Truong T, Schwartz RA, Lambert MW, Parish LC, Janniger E, Lambert WC. Annular and acral/facial dyskeratotic paraneoplastic disorders. Clin Dermatol 2023; 41:396-404. [PMID: 37423265 DOI: 10.1016/j.clindermatol.2023.07.008] [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: 07/11/2023]
Abstract
Annular and acral/facial dyskeratotic paraneoplastic disorders are inflammatory dermatoses that occur in association with distant cancers but are not precursors, extensions, or metastases of them. There are four classical entities under this rubric: two gyrate entities, erythema annulare centrifugum and erythema gyratum repens, and two acral/facial dyskeratotic entities, acrokeratosis paraneoplastic (Bazex syndrome) and tripe palms. Each of these entities may also occur in association with another etiopathogenesis and may present either as a classical entity or as a barely recognizable disease. We discuss these entities, their associated causes, and their differential diagnoses in turn.
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Laperche J, Bernstein RA. Cutaneous Paraneoplastic Syndrome Affecting the Hand in a Case of Underlying Waldenström Macroglobulinemia. Hand (N Y) 2023; 18:NP16-NP18. [PMID: 36734296 PMCID: PMC10152533 DOI: 10.1177/15589447231151260] [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] [Indexed: 02/04/2023]
Abstract
Paraneoplastic syndromes represent the body's immune response to an underlying malignancy. The autoimmune response to cancer can manifest itself in multiple ways, including swelling, thickening, and changes in the hand. We report the case of a 65-year-old man who presented with hand swelling that was initially attributed to a work-related finger laceration. The patient developed edema and stiffness in the hand, which was subsequently diagnosed as Waldenström macroglobulinemia. Hand surgeons should be aware that atypical hand and wrist symptoms should raise the suspicion for the potential of a paraneoplastic syndrome and an underlying malignancy.
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Lin J, Yu T, Wang M, Wang J, Li J. Case report: Amphiphysin-IgG autoimmunity: a paraneoplastic presentation of appendiceal goblet cell carcinoma. Front Immunol 2023; 13:1001264. [PMID: 36685551 PMCID: PMC9845691 DOI: 10.3389/fimmu.2022.1001264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 12/12/2022] [Indexed: 01/06/2023] Open
Abstract
Background Appendiceal goblet cell carcinoma (aGCC) is a rare neoplasm with mixed endocrine and exocrine features. No paraneoplastic neurological syndromes or autoantibodies have been identified in cases of aGCC or even appendiceal tumors. Amphiphysin-immunoglobulin G (IgG) autoimmunity was first described in stiff-person syndrome with breast cancer. We firstly described the clinical course and pathological findings of a patient with aGCC-associated amphiphysin-IgG autoimmunity. Case presentation A 54-year-old man who developed aGCC was admitted for acute disturbance of consciousness, psychiatric symptoms, cognitive impairment, seizure and hypotension. Amphiphysin-IgG was detected in the patient's serum and CSF by immunoblotting and tissue-based indirect immunofluorescence assay confirming the diagnosis of definite paraneoplastic amphiphysin-IgG-positive encephalitis. Histopathology revealed amphiphysin protein expression and accompanying immune cell infiltration (predominantly CD20+ B cells, CD3+ and CD8+ T cells) within the tumor tissue, suggesting a possible paraneoplastic origin of amphiphysin-associated paraneoplastic neurological syndromes (PNSs) in this case. Although the patient's symptoms resolved after high-dose corticosteroid therapy, he experienced recurrence 6 months later, manifesting as paraneoplastic cerebellar dysfunction. Despite treatment with IV cyclophosphamide and oral mycophenolate mofetil, no improvement was noted. Conclusions This case suggests that aGCC may trigger amphiphysin-IgG autoimmunity.
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Or O, Olshinka N, Shussman N, Diment J. Paraneoplastic syndrome due to angiomatoid fibrous histiocytoma: a known presentation of an uncommon diagnosis in a rare site and age. BMJ Case Rep 2022; 15:e250946. [PMID: 36593607 PMCID: PMC9730348 DOI: 10.1136/bcr-2022-250946] [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: 12/12/2022] Open
Abstract
A woman in her 70s presented with a small subcutaneous retrosacrococcygeal mass and a history of elevated erythrocyte sedimentation rate present for several years. It was misdiagnosed as an inflammatory process of unclear origin. She underwent further investigation with the appearance of weight loss and weakness. A sacrococcygeal mass was noted on CT scan. A core needle biopsy was inconclusive for chordoma versus myoepithelioma. Wide surgical resection of the tumour including the coccygeal bone was performed. Following surgery, all the systemic symptoms resolved with normalisation of inflammatory markers. The pathological examination showed a relatively circumscribed multinodular myxoid tumour with lymphatic tissue cuff. Pan-sarcoma fusion analysis detected an EWSR1 (Exon7)-CREB1 (Exon7) fusion gene. The lesion was diagnosed as angiomatoid fibrous histiocytoma with paraneoplastic syndrome presentation of several years' duration.
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Barai R, Tsang T, Cespedes L. Tumour-induced osteomalacia due to residual benign glomangioma. BMJ Case Rep 2022; 15:e250237. [PMID: 36357106 PMCID: PMC9660516 DOI: 10.1136/bcr-2022-250237] [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: 11/11/2022] Open
Abstract
Tumour-induced osteomalacia (TIO) is a rare paraneoplastic syndrome. The constellation of findings of unprovoked fractures, hypophosphataemia, urinary phosphate wasting and a negative genetic evaluation suggest a TIO diagnosis. Tumours leading to TIO are often small and difficult to localise using standard imaging studies. The 68Ga-DOTATATE CT/positron emission tomography, a somatostatin receptor imaging modality, is the radiographical study of choice for localisation. It is highly sensitive and specific since tumours that cause oncogenic osteomalacia have been shown to express somatostatin receptors. Complete surgical resection is the treatment of choice; however, it may not always be feasible. Burosumab, a human anti-fibroblast growth factor-23 monoclonal antibody, is a therapeutic option in cases of unresectable TIO to normalise phosphorus levels and improve fracture healing. Our patient was initiated on burosumab, which led to healing of his fractures and profound symptomatic improvement of his pain. TIO is often undiagnosed for many years, leading to significant patient morbidity.
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Shand JAD, Kim D. Tumour-induced osteomalacia due to a durally-based intracranial phosphaturic mesenchymal tumour. BMJ Case Rep 2022; 15:e252412. [PMID: 36319044 PMCID: PMC9628509 DOI: 10.1136/bcr-2022-252412] [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: 11/06/2022] Open
Abstract
A man in his 40s was referred with persistent hypophosphataemia and bony pain. A serum fibroblast growth factor 23 level was markedly elevated and a diagnosis of tumour-induced osteomalacia was considered. Whole body imaging revealed multiple insufficiency fractures but no osseus tumours. There was, however, a durally-based intracranial lesion whose imaging characteristics were consistent with a meningioma. The tumour was removed, leading to rapid normalisation of the patient's symptoms and serum markers. Histology confirmed a phosphaturic mesenchymal tumour. We review the literature regarding this rare clinical situation.
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Schütte K, Trautmann-Grill K. [Diagnostics and treatment of clinically relevant paraneoplastic syndromes]. Schmerz 2022; 36:447-457. [PMID: 36260170 DOI: 10.1007/s00482-022-00669-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 08/17/2022] [Accepted: 08/17/2022] [Indexed: 11/26/2022]
Abstract
Paraneoplastic syndromes (PS) are rare disorders with often complex clinical manifestations that occur in association with a tumor without being triggered by direct tumor invasion or compression. They arise from tumor secretions of hormones, peptides or cytokines or from immune cross-reactivity between malignant and healthy tissue. They are categorized into endocrine, neurological, dermatological, rheumatological, and hematological PS. The PS most commonly occurs in small cell lung carcinoma but also in association with other respiratory tract tumors, gynecological tumors, and hematological malignancies. The PS can precede a tumor diagnosis, therefore timely diagnosis can improve the prognosis of a malignant disease. The diagnostics are based on the clinical presentation as well as diagnostic methods depending on the underlying pathogenesis. The most important treatment approach involves the best possible treatment of the tumor and a targeted treatment is only sometimes possible. This review focuses on the clinically most frequently encountered PS.
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Bosman A, Palermo A, Vanderhulst J, De Beur SMJ, Fukumoto S, Minisola S, Xia W, Body JJ, Zillikens MC. Tumor-Induced Osteomalacia: A Systematic Clinical Review of 895 Cases. Calcif Tissue Int 2022; 111:367-379. [PMID: 35857061 PMCID: PMC9474374 DOI: 10.1007/s00223-022-01005-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/01/2022] [Indexed: 11/24/2022]
Abstract
Tumor-induced osteomalacia (TIO) is a rare and largely underdiagnosed paraneoplastic condition. Previous reviews often reported incomplete data on clinical aspects, diagnosis or prognosis. The aim of this study was to present a systematic clinical review of all published cases of TIO. A search was conducted in Pubmed, Embase, Web of Science from inception until April 23rd, 2020. We selected case reports and case series of patients diagnosed with TIO, with information on tumor localization and serum phosphate concentration. Two reviewers independently extracted data on biochemical and clinical characteristics including bone involvement, tumor localization and treatment. 468 articles with 895 unique TIO cases were included. Median age was 46 years (range 9 months-90 years) and 58.3% were males. Hypophosphatemia and inappropriately low or normal 1,25-dihydroxyvitamin D levels, characteristic for TIO, were present in 98% of cases. Median tumor size was 2.7 cm (range 0.5 to 25.0 cm). Serum fibroblast growth factor 23 was related to tumor size (r = 0.344, P < 0.001). In 32% of the cases the tumor was detected by physical examination. Data on bone phenotype confirmed skeletal involvement: 62% of cases with BMD data had a T-score of the lumbar spine ≤ - 2.5 (n = 61/99) and a fracture was reported in at least 39% of all cases (n = 346/895). Diagnostic delay was longer than 2 years in more than 80% of cases. 10% were reported to be malignant at histology. In conclusion, TIO is a debilitating disease characterized by a long diagnostic delay leading to metabolic disturbances and skeletal impairment. Increasing awareness of TIO should decrease its diagnostic delay and the clinical consequences.
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Linhares Leite L, Marchiori Bakos R. The prognosis of cutaneous malignant melanoma associated with paraneoplastic dermatomyositis. Int J Dermatol 2022; 61:1148-1151. [PMID: 35224727 DOI: 10.1111/ijd.16151] [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: 05/29/2021] [Revised: 01/23/2022] [Accepted: 02/07/2022] [Indexed: 11/30/2022]
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Abstract
Palmar fasciitis and polyarthritis syndrome (PFPAS) is a rare paraneoplastic rheumatic disease with characteristic features. We herein report a 77-year-old man with lung adenocarcinoma and contralateral pulmonary metastasis receiving chemotherapy who presented with progressive symmetrical flexion contractures associated with palmar fascial thickening and arthritis of both hands and shoulders. He was diagnosed with PFPAS as paraneoplastic manifestations. Salazosulfapyridine was not effective, but 15 mg/day of oral prednisolone improved his symptoms. Physicians should consider PFPAS and rule out malignancy in patients with arthritis in the extremities and flexion contractures associated with palmar fascial thickening.
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Kang L, Wan C. Paraneoplastic syndrome in neuroophthalmology. J Neurol 2022; 269:5272-5282. [PMID: 35779086 DOI: 10.1007/s00415-022-11247-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Revised: 06/19/2022] [Accepted: 06/19/2022] [Indexed: 12/16/2022]
Abstract
Paraneoplastic syndrome is a group of clinical symptoms that occur in the state of systemic malignant tumors. Paraneoplastic syndrome of the nervous system can affect any part of the central and peripheral nervous system and may also affect the eyes. In neuroophthalmology, paraneoplastic syndrome has a variety of manifestations that can affect both the afferent and efferent visual systems. The afferent system may involve the optic nerve, retina and uvea; the efferent system may involve eye movement, neuromuscular joints or involuntary eye movements and pupil abnormalities and may also have other neurological symptoms outside the visual system. This article discusses the clinical manifestations, pathological mechanisms, detection methods and treatment methods of paraneoplastic syndrome in neuroophthalmology. The performance of paraneoplastic syndrome is diverse, the diagnosis is difficult, and the treatment should be considered systematically. Differential diagnosis, optimal evaluation and management of these manifestations is not only the key to treatment but also a challenge.
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Ülger Y, Delik A. Paraneoplastic syndrome frequency and prognostic effect in hepatocellular carcinoma patients. Eur J Gastroenterol Hepatol 2022; 34:769-773. [PMID: 34974464 DOI: 10.1097/meg.0000000000002341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
OBJECTIVE Symptomatic hepatocellular carcinoma (HCC) patients may generally display constitutional symptoms such as abdominal pain, weight loss, anorexia and localized mass, or atypical clinical features of paraneoplastic syndrome (PNS) such as hypercholesterolemia, hypercalcemia, hypoglycemia, erythrocytosis and thrombocytosis. The most common PNS in HCC is hypercholesterolemia, hypercalcemia, hypoglycemia and erythrocytosis. The aim of this study isto evaluate the relationship of PNS in HCC patients. MATERIAL AND METHOD In this study, the data of 534 patients who were followed up with the diagnosis of HCC between January 2010 and December 2020 in the Gastroenterology clinic were evaluated retrospectively. Clinical data, age, gender, complete blood count of patients with and without PNS, liver biochemistry, alpha-fetoprotein (AFP) level, hepatitis B surface antigen, anti-hepatitis B virus, Child-Pugh score, model for end-stage liver disease score, tumor volume, portal vein thrombosis, liver biopsy histology and radiologic images were taken from the hospital data system and analyzed. RESULTS Out of the 534 HCC patients, 120 (22.3%) were PNS-positive patients. There was a significant difference between the ages of PNS-positive and PNS-negative patients, and PNS-positive patients were older (64.60±12.97) (P=0.02). PNS-positive HCC was determined as hypoglycemia 5.8%, hypercalcemia 6.3%, erythrocytosis 3.9%, hypercholesterolemia 2.4% and thrombocytosis 3.9%. AFP level (22908 ± 60 ng/ml) and tumor diameter (>10 cm) were higher in the PNS-positive group. Multivariate analysis showed that stage C according to Child-Pugh score and tumor diameter >10 cm were independent predictors of poor prognosis, whereas PNS erythrocytosis and thrombocytosis were independent predictors of better prognosis. CONCLUSION In PNS-positive HCC patients, hypoglycemia and hypercalcemia were associated with poor prognosis according to Child-Pugh score, whereas erythrocytosis and thrombocytosis were associated with good prognosis.
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Fan B, Wang M. Ruxolitinib, a JAK1/2 Inhibitor as Treatment for Paraneoplastic Pemphigus: A Case Report. Acta Derm Venereol 2022; 102:adv00732. [PMID: 35604239 PMCID: PMC9558324 DOI: 10.2340/actadv.v102.1378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Abstract is missing (Short communication)
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