In the 1990's urologists are well equipped to treat urinary stones, using extracorporeal or intracorporeal lithotripsy, conventional surgery, ultrasounds, hydroelectric shocks, or lasers. Extracorporeal shock wave lithotripsy has revolutionized the treatment of urinary lithiasis and gradually invades all the fields of this disease. 75% of patients with calculi draw benefit from this method. However, lithotripsy cannot solve all problems, such as large stones (more than 30 mm in diameter) or ureteral stones that are impacted or difficult to locate. For this reason, intracorporeal lithotripsy and surgery remain indicated for specific cases in 20 and 6% of the patients, respectively.