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Case Reports
Painless Panniculitis upon the Treatment of Clinically Amyopathic Dermatomyositis with Anti-MDA5 Antibody.
- Dai Kishida, Satoru Ushiyama, Yasuhiro Shimojima, Ken-Ichi Ueno, Jun-Ichi Kurashina, Takushi Shirai, and Yoshiki Sekijima.
- Department of Medicine (Neurology & Rheumatology), Shinshu University School of Medicine, Japan.
- Intern. Med. 2021 Aug 15; 60 (16): 2697-2700.
AbstractPanniculitis, a rare cutaneous manifestation in patients with dermatomyositis (DM), usually presents as a painful erythematous lesion. We herein report a 32-year-old woman with panniculitis that appeared as an indurated plaque without pain or redness after a 4-month episode of clinically amyopathic DM during treatment with prednisolone and tacrolimus. She experienced no pain; however, the firmness and extent gradually worsened. Based on our findings, including the histopathological results, DM panniculitis was diagnosed. Azathioprine was additionally administered, leading to remission. DM panniculitis can develop as a painless induration during immunosuppressive treatment, and azathioprine may be a useful treatment.
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