title: Ureteropelvic junction obstruction in the adult.
abstract: Cases of ureteropelvic (UP) obstruction presenting for the first time in the adult were analyzed and etiologic factors considered. Besides idiopathic causes, calculi and neoplasm were found in our series. Comparison with other reports of UP obstruction in pediatric patients revealed differences pertaining to mode of clinical presentation, sex predominance and incidence of neoplasm occuring at the UP junction in the adult.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007674:Kidney Diseases / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology; D007682:Kidney Pelvis / Q000000981:diagnostic imaging / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012189:Retrospective Studies; D014517:Ureteral Obstruction / Q000000981:diagnostic imaging / Q000209:etiology / Q000473:pathology*