The presence of malignancy within the urinary bladder is a contraindication to bladder flap reimplantation. Neurogenic bladder dysfunction as well as urinary tract infection should be managed preoperatively. Cases of diminished bladder capacity are unsuitable for this procedure because a healthy flap of adequate length cannot be made.

Preoperative cystogram is advisable in all cases to confirm adequate bladder capacity. Adequate studies of the upper tract to localize the site of ureteric obstruction are also essential to allow accurate operative planning prior to the procedure.

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