Aim: To report our experience with retroperitoneal laparoendoscopic single-site (LESS) ureterolithotomy for the management of large proximal ureteral stones. Patients and Methods: From July 2011 to April 2012, 20 patients underwent retroperitoneal LESS ureterolithotomy. The indications for the operation were impacted upper ureteral stones larger than 15 mm. A reusable elastic single-port device with 3 working channels was inserted through the 2.5-cm incision at the midpoint between the costal arch and iliac crest on the mid-axillary line. A rigid 10-mm 30° extra-long laparoscope was introduced for monitoring, and a combination of lengthened pre-bent and conventional laparoscopic instruments was used for handling. The surgical procedure was similar to conventional retroperitoneal laparoscopic ureterolithotomy. Results: Retroperitoneal LESS ureterolithotomy was completed in all of the patients. The mean stone size was 18.8 mm (range 16-28). The mean operative time was 108 min (range 75-140). Significant bleeding was not observed, and no major intraoperative complications occurred in any of the patients. The mean hospital stay was 4.4 days (range 3-7). Conclusions: Retroperitoneal LESS ureterolithotomy, using a reusable elastic single-port device, is technically feasible and safe, and the combination of conventional and pre-bent laparoscopic instruments represents an attractive option for retroperitoneal LESS.

Keywords:
Laparoscopy, Ureteral stone, Laparoendoscopic single-site ureterolithotomy
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© 2014 S. Karger AG, Basel
2014
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