[Complications in endourology: Ureteroscopy and percutaneous nephrolithotomy]

If surgical treatment of urinary stones is indicated, the urologist has now different modalities depending on each situation. This includes extracorporeal lithotripsy, ureteroscopy (rigid and flexible), and percutaneous nephrolithotomy. Ureteroscopy is also performed for diagnostic purposes, and for the treatment of upper urinary tract tumors. Indications, as well as the steps of each of these techniques will not be discussed in this review. Only intra- and postoperative complications of ureteroscopy and percutaneous nephrolithotomy will be reviewed, including diagnostic, management, and preventive measures.