title: [The diseases causing stenosis and obstruction of the ureter].
abstract: A total of 681 patients with stenosis and obstruction of the ureter (SOU) have been observed over a period of 5 years. The male/female ratio was 1:1.25. The etiologic factors for development of SOU have been as follows: calculus in the ureter--78 per cent of the total number of patients; infections of the ureter--8.1 per cent; posttraumatic injury to the ureter--6.5 per cent; congenital malformations of the ureter--4.2 per cent; papillary tumors of the ureter--2.7 per cent; retroperitoneal tumor--0.3 per cent.
authors.forename: Z
authors.initials: Z
authors.lastname: al-Arbid
authors.forename: L
authors.initials: L
authors.lastname: Donovski
mesh_terms: D002031:Bulgaria / Q000453:epidemiology; D003251:Constriction, Pathologic / Q000453:epidemiology / Q000209:etiology; D005260:Female; D006785:Hospitals, University; D006801:Humans; D008297:Male; D014513:Ureter / Q000473:pathology*; D014517:Ureteral Obstruction / Q000453:epidemiology / Q000209:etiology*