We encountered a 9-year-old boy with a small bladder who had previously undergone multiple ureteroneocystostomies for unilateral refluxing megaureter. He underwent excision of the affected non-functioning kidney and ureterocystoplasty used the dilated regional ureter, in which the loop shaped urinary bladder was reconstructed without detubularization of the dilated ureter. The longterm postoperative course has been satisfactory. There have been no reports of ureterocystoplasty used a dilated ureter after multiple ureteroneocystostomies and none describing ureterocystoplasty in which the ureter was looped. This case is presented herein.
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