title: A young boy with abdominal pain.
authors.affiliation: Department of Medicine, Aga Khan University Hospital, Karachi.
authors.forename: A
authors.initials: A
authors.lastname: Jabbar
authors.forename: A
authors.initials: A
authors.lastname: Afaq
authors.forename: W
authors.initials: W
authors.lastname: Jafri
authors.forename: M
authors.initials: M
authors.lastname: Siddiqi
authors.forename: M
authors.initials: M
authors.lastname: Ahmed
authors.forename: S
authors.initials: S
authors.lastname: Hasan
mesh_terms: D015746:Abdominal Pain / Q000175:diagnosis*; D000293:Adolescent; D016736:Antiphospholipid Syndrome / Q000175:diagnosis; D006801:Humans; D007082:Ileum / Q000098:blood supply; D007583:Jejunum / Q000098:blood supply; D008297:Male; D008641:Mesenteric Vascular Occlusion / Q000175:diagnosis*; D008642:Mesenteric Veins; D013927:Thrombosis / Q000175:diagnosis*