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Case Report

Clinical Pain 2019; 18(1): 48-51

Published online June 30, 2019

Copyright © Korean Association of Pain Medicine.

Steroid Induced Myopathy in Dermatomyositis Patients

피부근염 환자에서 발생한 스테로이드 유발 위축

Sang Moon Yun, M.D., Kyung Ah Kim, M.D., Yoon Kim, M.D. and Ji Hye Hwang, M.D., Ph.D.

윤상문ㆍ김경아ㆍ김 윤ㆍ황지혜

Department of Physical and Rehabilitation Medicine, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea

성균관대학교 의과대학 삼성서울병원 재활의학교실

Received: November 13, 2018; Accepted: December 31, 2018

Abstract

Symmetrical proximal weakness and characteristic dermatologic manifestations are important in the diagnosis of dermatomyositis. We report a case of atypical presentation of dermatomyositis due to previous steroid use and also report steroid-induced myopathy which may occur from steroid administration during the course of treatment. A 77-year-old man, previous steroid user, showed rapidly progressing weakness after abruptly stopped medication. He has presented erythematous papule on face and anterior chest but no heliotrope rash and Gottron's papules were observed. Muscle enzyme (creatine kinase) concen-tration is increased, and needle electromyography shows increased spontaneous activity on proximal limb muscle. The muscle biopsy confirmed dermatomyositis. During the course of treatment, he revealed persistent weakness despite the continuous steroid use and stable creatine kinase level. Electrodiagnostic study suggests steroid-induced myopathy and after tapering steroid, proximal muscle strength improved. This case reports the effect of steroid use on dermatomyositis patients and a process of diagnosing coexisting steroid induced myopathy during treatment.

KeywordsDermatomyositis, Steroid, Steroid induced myopathy

Korean Association of Pain Medicine

Vol.23 No.2
December 2024

eISSN: 2765-5156

Frequency: Semi Annual

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