title: Forgotten kidney: asynchronous bilateral ureteropelvic junction obstruction.
abstract: A case is presented in which ureteropelvic junction obstruction developed in a kidney that had apparently been normal at the time of contralateral nephrectomy for ureteropelvic junction obstruction nine years previously. Therapeutic implications are discussed.
mesh_terms: D002648:Child; D006801:Humans; D006869:Hydronephrosis / Q000209:etiology; D007674:Kidney Diseases / Q000150:complications; D007682:Kidney Pelvis; D008297:Male; D009392:Nephrectomy; D011183:Postoperative Complications; D013997:Time Factors; D014517:Ureteral Obstruction / Q000150:complications