title: A 34-year-old man with amyopathic dermatomyositis and rapidly progressive dyspnea with facial swelling. Diagnosis: pneumomediastinum and subcutaneous emphysema secondary to amyopathic dermatomyositis-associated interstitial lung disease.
authors.affiliation: Department of Medicine, Providence Portland Medical Center, 5040 NE Hoyt St, Suite 540, Portland, OR 97213, USA.
authors.forename: Christian
authors.initials: C
authors.lastname: Powell
authors.forename: Brian
authors.initials: B
authors.lastname: Kendall
authors.forename: Richard
authors.initials: R
authors.lastname: Wernick
authors.forename: John E
authors.initials: JE
authors.lastname: Heffner
mesh_terms: D000328:Adult; D003882:Dermatomyositis / Q000150:complications* / Q000175:diagnosis; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000175:diagnosis / Q000209:etiology; D004487:Edema / Q000175:diagnosis / Q000209:etiology; D005145:Face; D017809:Fatal Outcome; D006801:Humans; D017563:Lung Diseases, Interstitial / Q000150:complications* / Q000175:diagnosis; D008297:Male; D008478:Mediastinal Emphysema / Q000175:diagnosis / Q000209:etiology*; D013352:Subcutaneous Emphysema / Q000175:diagnosis / Q000209:etiology*