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[An autopsy case of nivolumab-induced myasthenia gravis and myositis].
Sawai, Taiki; Hosokawa, Takafumi; Shigekiyo, Taro; Ogawa, Shoji; Sano, Eri; Arawaka, Shigeki.
Afiliación
  • Sawai T; Department of Internal Medicine IV, Division of Neurology, Osaka Medical College.
  • Hosokawa T; Department of Internal Medicine IV, Division of Neurology, Osaka Medical College.
  • Shigekiyo T; Department of Internal Medicine IV, Division of Neurology, Osaka Medical College.
  • Ogawa S; Department of Internal Medicine IV, Division of Neurology, Osaka Medical College.
  • Sano E; Department of Internal Medicine IV, Division of Neurology, Osaka Medical College.
  • Arawaka S; Department of Internal Medicine IV, Division of Neurology, Osaka Medical College.
Rinsho Shinkeigaku ; 59(6): 360-364, 2019 Jun 22.
Article en Ja | MEDLINE | ID: mdl-31142711
ABSTRACT
An 84-year-old woman developed blepharoptosis, diplopia, weakness of extremities, and dysphagia with elevation of serum CK levels after treatment with nivolumab against renal cell carcinoma. 3 Hz repetitive stimulation showed waning in the trapezius muscle, leading to the diagnosis of myasthenia gravis. Laboratory examination showed that anti-acetylcholine receptor antibody was negative. We performed IVIg and steroid therapy. However, her symptoms did not improve, and she died of respiratory failure, although serum CK levels ameliorated to the normal range. The results of autopsy showed atrophy of muscle fibers and massive infiltration of inflammatory cells in the endomysium of the iliopsoas muscle and diaphragm, indicating occurrence of myositis. Immunohistochemical analysis showed that CD8-positive T cells mainly infiltrates in the endomysium with a small number of CD4-potive T cells. Here, we report an autopsy case of nivolumab-induced myasthenia gravis and myositis.
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Texto completo: 1 Base de datos: MEDLINE Asunto principal: Antineoplásicos Inmunológicos / Nivolumab / Miastenia Gravis / Miositis Tipo de estudio: Diagnostic_studies Límite: Aged80 / Female / Humans Idioma: Ja Revista: Rinsho Shinkeigaku Año: 2019 Tipo del documento: Article

Texto completo: 1 Base de datos: MEDLINE Asunto principal: Antineoplásicos Inmunológicos / Nivolumab / Miastenia Gravis / Miositis Tipo de estudio: Diagnostic_studies Límite: Aged80 / Female / Humans Idioma: Ja Revista: Rinsho Shinkeigaku Año: 2019 Tipo del documento: Article