title: [Man 20 years old with abdominal pain in left iliac fossa].
authors.affiliation: Servicio de Medicina Interna, Centro Médico ABC, México D.F., México.
authors.forename: Alvaro
authors.initials: A
authors.lastname: Contreras-Villaseñor
authors.forename: Teresa
authors.initials: T
authors.lastname: Villanueva-Crespo
authors.forename: Héctor
authors.initials: H
authors.lastname: Murrieta-González
authors.forename: Alicia
authors.initials: A
authors.lastname: Hamui-Sutton
authors.forename: José
authors.initials: J
authors.lastname: Halabe-Cherema
mesh_terms: D015746:Abdominal Pain / Q000209:etiology; D003092:Colitis / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male; D055815:Young Adult