Intrasinusal Pyelolithotomy or Incision of the Intrarenal Sinus Supplemented by a Postrenal Pole Segmental Incision for Complex Nephritic Stone

Objective: To evaluate the surgical treatment of staghorn calculus and other complex calculus of kidney. Methods: The date of 56 cases treated with intrasinusal pyelolithotomy or an incision of the intrarenal sinus supplemented by a postrenal low pole segmental incision were analysed. Results: Single-time clearance was done in 50 cases. Postoperative examination with KUB+IVU or B ultrasound revealed residual stones in 7 cases, the diameters were all less than 1.0cm. Lithotomy was successful in all cases with the average operation time 110 minutes Blood transfusion during the procedure was required in 10 cases with an average of 380ml. The biggest stone was 9.5cm×7.5cm×5.6cm and in one case the number of stones was up to 77. Conclusion:The procedure didn′t need interruption of renal pedicle and with the advantages of simple, less bleeding, complete removal of calculus, and preservation of renal function. This method was suitable for intrarenal staghorn calculi.