To the Editor:
We appreciate Nagashima, et al1 for the comments on our recent paper about a distinctive cutaneous feature in a subset of patients with classic dermatomyositis (DM) and clinically amyopathic DM2.
In our study, we found that patients with DM/clinically amyopathic dermatomyositis (CADM) who have ulcerative Gottron papules/Gottron sign with positive anti-MDA5 antibody and significantly lower baseline creatine kinase level are at increased risk of interstitial lung disease, especially acute/subacute interstitial pneumonia.
Nagashima, et al reported the survival of …
Address correspondence to Dr. J. Zheng, Department of Dermatology, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, No. 197 Ruijin Er Road, Shanghai 200025, China. E-mail: jie-zheng2001{at}126.com