Abstract：Objective:To probe into the key technical points and clinical values of retroperitoneal laparoscopic pyelolithotomy and ureterolithotomy.Methods:A total of 195 patients underwent retroperitoneal laparoscopic pyelolithotomy and ureterolithotomy, the calculi, range from 2.0 to 5.0 cm in diameter with 88 cases of calculi in kidney of non-intrarenal pelvis and 107 cases of upper ureteral, 92 cases right and 103 left, 118 male cases and 77 female. Recognizing anatomic landmarks and orderly cut into the Gerota's fascia and perirenal fat, locating the inferior pole of kidney, renal pelvis and the upper ureteral,located the calculi by separating clamp and calculi, cut into the renal pelvis and shifted the calculi, inserted the double J stent and finally sewed up with 4/0 absorbable multifilament suture material.Results:All operations succeeded but calculi fell back into deeper renal pelvis in one case which were cleaned up by placement of DJ stent and ESWL postoperatively. One session stone-free rate was 99.5% in succeded cases. The patients had less retroperitoneal drainage volume post-operatively, replaced the drainage tube in 3 to 5 days, and discharged in a week.Conclusions:Retroperitoneal laparoscopic pyelolithotomy and ureterolithotomy is a technology with minor incision and fast recovery which has significant advantages compared to open surgey. The technology is worth wide promotion.
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