title: A 40-year-old man with "stabbing" right-side chest pain.
abstract: The following case is presented to illustrate the roentgenographic and clinical findings of a condition of interest to orthopedic surgeons. The initial history, physical findings, and roentgenographic examination are found on the first page. The final clinical and roentgenographic diagnosis is presented on the following pages.
authors.affiliation: Mallinckrodt Institute of Radiology, Washington University School of Medicine, St Louis, Missouri, USA.
authors.forename: N K
authors.initials: NK
authors.lastname: Tanna
authors.forename: K W
authors.initials: KW
authors.lastname: McEnery
authors.forename: L A
authors.initials: LA
authors.lastname: Gilula
mesh_terms: D000328:Adult; D002637:Chest Pain / Q000209:etiology*; D006801:Humans; D008297:Male; D011859:Radiography; D012785:Shoulder Joint / Q000002:abnormalities* / Q000000981:diagnostic imaging