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Fate of the retained ureteral stump after upper pole heminephrectomy in duplex kidneys.
Journal of Urology 2002 August
PURPOSE: We review the long-term outcome of retained ureteral stumps in children undergoing heminephrectomy for nonfunctioning upper pole moieties in duplex kidneys.
MATERIALS AND METHODS: The medical records of 50 patients who underwent 50 upper pole heminephrectomies for a nonfunctioning upper pole moiety of a duplex kidney between January 1990 and December 2000 were reviewed retrospectively.
RESULTS: Median patient age at heminephrectomy was 2.5 years (range 3 weeks to 16.5 years) and median followup was 6 years (range 1 to 11). Indications for heminephrectomy in the 50 renal units were obstructive ureterocele in 25 (50%) cases, ectopic ureter in 15 (30%), obstructive megaloureter in 5 (10%) and reflux nephropathy in 5 (10%). A total of 48 (96%) of the corresponding ureters were taken down as low as possible and transfixed through the heminephrectomy incision. Residual stump excision was required in 5 (10%) of the 50 units for recurrent urinary tract infection due to vesicoureteral reflux.
CONCLUSIONS: Our long-term followup suggests that the majority of patients with residual ureteral stumps after upper pole heminephrectomy do not require stump resection.
MATERIALS AND METHODS: The medical records of 50 patients who underwent 50 upper pole heminephrectomies for a nonfunctioning upper pole moiety of a duplex kidney between January 1990 and December 2000 were reviewed retrospectively.
RESULTS: Median patient age at heminephrectomy was 2.5 years (range 3 weeks to 16.5 years) and median followup was 6 years (range 1 to 11). Indications for heminephrectomy in the 50 renal units were obstructive ureterocele in 25 (50%) cases, ectopic ureter in 15 (30%), obstructive megaloureter in 5 (10%) and reflux nephropathy in 5 (10%). A total of 48 (96%) of the corresponding ureters were taken down as low as possible and transfixed through the heminephrectomy incision. Residual stump excision was required in 5 (10%) of the 50 units for recurrent urinary tract infection due to vesicoureteral reflux.
CONCLUSIONS: Our long-term followup suggests that the majority of patients with residual ureteral stumps after upper pole heminephrectomy do not require stump resection.
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