We reviewed our management of children with vesicoureteral reflux and ureteropelvic junction obstruction in the same renal unit. Of the children who underwent pyeloplasty for ureteropelvic junction obstruction 9 per cent also had vesicoureteral reflux. These children were almost exclusively boys. Ureteropelvic junction obstruction was caused mostly by a stricture or fixed kinks of the upper ureter. Vesicoureteral reflux was primarily grade IV and was associated with abnormal morphology of the ureteral orifice. Pyeloplasty was the initial surgical correction and ureteral reimplantation was performed expectantly.
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