title: Images in emergency medicine. A four-year-old male with abdominal pain. Ureteropelvic junction obstruction.
authors.affiliation: Department of Pediatrics, Division of General Pediatrics, Children's Medical Center, Dallas, TX, USA.
authors.forename: Lindsay
authors.initials: L
authors.lastname: Day
authors.forename: Daniel
authors.initials: D
authors.lastname: Thimann
authors.forename: Abbie
authors.initials: A
authors.lastname: Smith
mesh_terms: D015746:Abdominal Pain / Q000209:etiology*; D002675:Child, Preschool; D004636:Emergency Service, Hospital; D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis / Q000209:etiology; D007682:Kidney Pelvis / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D014463:Ultrasonography; D014517:Ureteral Obstruction / Q000150:complications / Q000175:diagnosis* / Q000000981:diagnostic imaging