title: Anterior mediastinal mass in a young man.
abstract: The case is presented of a patient in whom the diagnosis of Klinefelter's syndrome was made only after a mediastinal teratoma was discovered. Chest physicians should be aware of this association since they are often the first to evaluate patients with mediastinal masses.
authors.affiliation: Division of Pulmonary and Critical Care Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania 19140.
authors.forename: J M
authors.initials: JM
authors.lastname: Travaline
authors.forename: G J
authors.initials: GJ
authors.lastname: Criner
authors.forename: P M
authors.initials: PM
authors.lastname: Ming
authors.forename: F
authors.initials: F
authors.lastname: Kueppers
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D018237:Germinoma / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D006801:Humans; D007713:Klinefelter Syndrome / Q000150:complications* / Q000000981:diagnostic imaging; D008297:Male; D008479:Mediastinal Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging / Q000473:pathology; D011859:Radiography