title: Thymic cysts simulating loculated pneumomediastinum in the newborn.
mesh_terms: D003560:Cysts / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000000981:diagnostic imaging*; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging*; D011859:Radiography; D013950:Thymus Gland / Q000000981:diagnostic imaging* / Q000196:embryology