title: Images in clinical medicine. Neonatal pneumomediastinum and the spinnaker-sail sign.
authors.affiliation: Hospital de Sao Joao, Porto, Portugal. jcp@ecsaude.uminho.pt
authors.forename: Jorge
authors.initials: J
authors.lastname: Correia-Pinto
authors.forename: Tiago
authors.initials: T
authors.lastname: Henriques-Coelho
mesh_terms: D003964:Diaphragm / Q000000981:diagnostic imaging*; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D008478:Mediastinal Emphysema / Q000000981:diagnostic imaging*; D008482:Mediastinum / Q000000981:diagnostic imaging; D013902:Radiography, Thoracic; D013950:Thymus Gland / Q000000981:diagnostic imaging*