A 65-year-old man underwent radical cystectomy and cutaneous ureterostomy for bladder cancer. Because the patient had left complete duplex ureters,we modified the Toyoda method to construct the tubeless cutaneous ureterostomy with a unilateral stomal creation. The adhesive portion of both ureteral walls in duplex ureters was simultaneously cut approximately 5 mm from the distal end longitudinally,and the common sheath of the cut portion of the ureters was cut approximately 5 mm longitudinally in order to separate the two ureters. This procedure was repeated to make a"fish-mouth"aperture. Two opened ureteral walls were formed into the upper and lower plates of the Toyoda method stoma,respectively. To our knowledge,this is the first report of a surgical procedure of the tubeless cutaneous ureterostomy in complete duplex ureters.
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