title: Pneumomediastinography in the diagnosis of ectopic lobe of the thymus in respiratory obstruction.
mesh_terms: D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011012:Pneumomediastinum, Diagnostic; D011656:Pulmonary Emphysema / Q000000981:diagnostic imaging*; D011859:Radiography; D013950:Thymus Gland / Q000002:abnormalities*; D013952:Thymus Hyperplasia / Q000000981:diagnostic imaging*; D014132:Trachea / Q000002:abnormalities*