title: Traumatic para-mediastinal air cysts.
abstract: Two cases of traumatic para-mediastinal air cyst are presented. The air and fluid collection develops between two layers of the pulmonary ligament following trauma to the lung and rupture of alveoli adjacent to the pulmonary ligament.
mesh_terms: D000293:Adolescent; D000388:Air; D006801:Humans; D055370:Lung Injury; D008297:Male; D008476:Mediastinal Cyst / Q000000981:diagnostic imaging* / Q000209:etiology; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging; D011859:Radiography; D012421:Rupture