title: Ureteral valves: report of a case diagnosed by antegrade pyelography.
abstract: Ureteral valves are an uncommon cause of upper urinary tract obstruction. The majority of cases are discovered only at surgery or autopsy. We report a case diagnosed by antegrade pyelography under sonographic guidance and we review the literature.
authors.affiliation: Department of Radiology, Farhat Hached Medical Hospital, Sousse, Tunisia.
authors.forename: K
authors.initials: K
authors.lastname: Tlili-Graies
authors.forename: M
authors.initials: M
authors.lastname: Allègue
authors.forename: C
authors.initials: C
authors.lastname: Kraiem
authors.forename: M H
authors.initials: MH
authors.lastname: Ben Romdhane
authors.forename: D
authors.initials: D
authors.lastname: Bakir
authors.forename: M
authors.initials: M
authors.lastname: Laarif
authors.forename: M
authors.initials: M
authors.lastname: Jeddi
mesh_terms: D002648:Child; D006801:Humans; D008297:Male; D014513:Ureter / Q000002:abnormalities* / Q000000981:diagnostic imaging; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging / Q000209:etiology*; D014567:Urography