1 INTRODUCTION Dermatomyositis (DM) is an idiopathic inflammatory disease that is frequently accompanied by inflammation, immune-mediated organ damage.1 DM causes muscle, skin, joints, heart and lung damage,1 among which lung injury predominantly presents interstitial lung disease (ILD) and pulmonary hypertension (PH).2 ILD is a group of common heterogeneous diseases characterized by fibrosis or inflammation in the interstitial space.3, 4 As the most serious complication of DM, ILD is mainly...
