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Modern rheumatology · Aug 2012
Case ReportsAmyopathic dermatomyositis developing rapidly progressive interstitial lung disease with elevation of anti-CADM-140/MDA5 autoantibodies.
- Shinji Sato, Masataka Kuwana, Takashi Fujita, and Yasuo Suzuki.
- Division of Rheumatology, Department of Internal Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara, 259-1193, Japan. shinsjam@tokai-u.jp
- Mod Rheumatol. 2012 Aug 1;22(4):625-9.
AbstractAnti-clinically amyopathic dermatomyositis (CADM)-140/MDA5 autoantibodies are specifically detected in patients with dermatomyositis and are known to have a strong association with rapidly progressive interstitial lung disease (RP-ILD). Here we report an amyopathic dermatomyositis (ADM) patient who developed RP-ILD characterized by elevated anti-CADM-140/MDA5 titer. Respiratory symptoms gradually improved, and anti-CADM-140/MDA5 titer decreased in parallel to below the cutoff level. It may be useful to quantify CADM-140-specific autoantibodies for monitoring disease activity in patients with ADM and RP-ILD.
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