title: A 41-year-old man with abdominal pain.
authors.affiliation: Clinical Associate Professor, Department of Medicine, Regina Qu'Appelle Health Region, Regina General Hospital, Regina, SK, Canada habib31@sasktel.net.
authors.forename: Habib
authors.initials: H
authors.lastname: Rehman
mesh_terms: D015746:Abdominal Pain / Q000000981:diagnostic imaging / Q000209:etiology*; D000328:Adult; D016736:Antiphospholipid Syndrome / Q000150:complications* / Q000175:diagnosis / Q000000981:diagnostic imaging; D003937:Diagnosis, Differential; D004636:Emergency Service, Hospital; D006801:Humans; D008297:Male; D011859:Radiography