title: Pneumomediastinum in an unusual location.
authors.forename: L M
authors.initials: LM
authors.lastname: Dean
authors.forename: L R
authors.initials: LR
authors.lastname: Kuhns
mesh_terms: D001249:Asthma / Q000150:complications*; D002648:Child; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging* / Q000209:etiology; D011651:Pulmonary Artery / Q000000981:diagnostic imaging*; D011859:Radiography