title: Acute fever and left flank pain.
authors.affiliation: Department of Radiology, Children's Hospital, Galveston, TX, USA.
authors.forename: J Alberto
authors.initials: JA
authors.lastname: Hernandez
authors.forename: Leonard E
authors.initials: LE
authors.lastname: Swischuk
mesh_terms: D000208:Acute Disease; D000293:Adolescent; D005334:Fever / Q000209:etiology*; D021501:Flank Pain / Q000209:etiology*; D006801:Humans; D008297:Male; D012008:Recurrence; D014463:Ultrasonography; D014517:Ureteral Obstruction / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery