title: Late-onset pneumomediastinum in dermatomyositis.
authors.forename: Karim Z
authors.initials: KZ
authors.lastname: Masrouha
authors.forename: Nadim
authors.initials: N
authors.lastname: Kanj
authors.forename: Imad
authors.initials: I
authors.lastname: Uthman
mesh_terms: D000305:Adrenal Cortex Hormones / Q000009:adverse effects / Q000627:therapeutic use*; D000368:Aged; D003882:Dermatomyositis / Q000150:complications* / Q000188:drug therapy*; D006801:Humans; D017563:Lung Diseases, Interstitial / Q000000981:diagnostic imaging / Q000188:drug therapy; D008297:Male; D008478:Mediastinal Emphysema / Q000139:chemically induced / Q000000981:diagnostic imaging / Q000209:etiology*; D008727:Methotrexate / Q000627:therapeutic use; D011859:Radiography
chemical_list: D000305:Adrenal Cortex Hormones; D008727:Methotrexate