title: [Subpelvic ureteral obstruction with a previously normal urogram].
abstract: Two patients with acquired obstruction at the ureteropelvic junction are presented who had a normal ureteropelvic junction in previous pyelograms. In one case vesicoureteral reflux may be the cause of the obstruction, in the other one the etiology could not be determined.
authors.affiliation: Urologische Klinik, St. Bernward-Krankenhaus Hildesheim.
authors.forename: G
authors.initials: G
authors.lastname: Skerra
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D006869:Hydronephrosis / Q000000981:diagnostic imaging; D008297:Male; D011183:Postoperative Complications / Q000000981:diagnostic imaging; D011247:Pregnancy; D011644:Puerperal Disorders / Q000000981:diagnostic imaging; D011704:Pyelonephritis / Q000000981:diagnostic imaging; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging*; D014567:Urography; D014718:Vesico-Ureteral Reflux / Q000000981:diagnostic imaging / Q000601:surgery
vernacular_title: Subpelvine Harnleiterstenose mit unauffälligem Vorurogramm.