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Abstract
Purpose: To evaluate the results of our experience with a retroperitoneoscopic nephroureterectomy, in patients with transitional cell carcinomas of the renal pelvis and ureter, compared to those treated by open nephroureterectomy. Materials and Methods: Between August 2003 and February 2006, 17 patients with a transitional cell carcinoma of the upper urinary tract underwent retroperitoneoscopic nephroureterectomy. The distal ureter and bladder cuff was treated with a Gibson incision in 11 patients, with an endoscopic stapler employed in 6 patients. During the endoscopic stapler firing of the bladder cuff, complete removal of the ureteral orifice was confirmed using a flexible cystoscope. The patients’ operative and clinical records were retrospectively reviewed, and compared to 16 patients with a transitional cell carcinoma of the upper urinary tract treated using an open nephroureterectomy. Results: The retroperitoneoscopic nephroureterectomies were successfully performed in all patients. The mean operative time, transfusion rate and time to drain removal were not significantly different between the two groups. The initiations of the postoperative oral intake and ambulation, as well as the hospital stay were shorter in the retroperitoneoscopy than the open group. Complications were detected in 1 and 5 patients of the retroperitoneoscopy and open groups, respectively. With respect to the follow-up results, no statistical differences were seen in either bladder or extravesical recurrence between the two groups. Conclusions: A retroperitoneoscopic nephroureterectomy is a less invasive technique than an open nephroureterectomy for patients with a transitional cell carcinoma of the renal pelvis and ureter. Especially, using an endoscopic stapler for the lower ureter and bladder cuff may shorten the operative time. However, long term follow-up will be necessary to confirm the cancer control effects. (Korean J Urol 2006;47:1263-1268)
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