ABSTRACT
This is a minimally invasive surgical technique, which has its place as a first intention treatment of urolithiasis. Our object is to insist on the importance of this technique within the therapeutic arsenal of renal lithasis. This is a retrospective study of 300 cases of percutaneous nephrolithotomiers practiced in 270 patients in our department through a period of 23 years [1985-2008]: It concerned includes x 157 males and 113 females, the average age is 46 years old [17 years-75] - The calulus was pelvic in 188 cases [62.7%], lawer calyceal in 52 cases [17.3%] and a staghorn in 40 cases [13,3%]. All our patients were treated by the sawe technique. Our success rate was of 68,7%, the complications concerned zo cases that is a rate of 6.7%, without any deaths. The operation duration average was 188 minutes, and the postoperative hospitalisation period was seven days. The percutaneous ne phrolithotomy restes a recommended firts intention in the treatment of complex calculus in association with the complementary extracorporal lithority. The classical surgery has its place in the percutaneous nephrolithotomi failure cases, the residual calculus are the prerogative of extractor poreal lithoripsy