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Polymyositis/Dermatomysitis Hitoshi Kohsaka 1 1Department of Medicine and Rheumatology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University Keyword: 筋病理 , 筋炎特異的自己抗体 , 核磁気共鳴画像 pp.1150-1155
Published Date 2011/10/30
DOI https://doi.org/10.11477/mf.1542102796
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Polymyositis (PM) and dermatomysitis (DM) were inflammatory examples of myopathy based on autoimmune injury. Patients with DM have characteristic skin rash. The hypothesis that PM is driven by CD8 cytotoxic T cells while DM is driven by antibody-mediated angiopathy is challenged by current knowledge of immunology. Besides muscle weakness, might accompany the disease, and progressive interstitial pneumonia or malignancy, both of these affect its prognosis. Although, intensive studies revealed quite a few myositis-specific autoantibodies, none of them are directed to endothelial cells. MRI is a new modality for the diagnosis. The patients are treated basically with high dose glucocorticoids, but often depend on additional immunosuppressants for complete remission.


Copyright © 2011, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1367 印刷版ISSN 0485-1420 医学書院

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