title: [Spontaneous pneumopericardium in mediastinal emphysema of unknown origin].
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D008478:Mediastinal Emphysema / Q000150:complications* / Q000000981:diagnostic imaging / Q000209:etiology; D011026:Pneumopericardium / Q000150:complications* / Q000000981:diagnostic imaging; D011859:Radiography
vernacular_title: Spontanes Pneumoperikard bei Mediastinalemphysem unklarer Genese.