[en] This text for urologists and radiologists describes and illustrates endourologic techniques, uses, and sources of equipment. Brief case reports are also included. Selected Contents: Radiation and Radiation Protection in Endourology/Applied Anatomy of the Kidney/Urinary Obstruction: Pathophsiology and Evaluation/Percutaneous Nephrostomy as an Emergency Bedside Procedure/Percutaneous Nephrostomy in the Renal Transplant Recipient/Percutaneous Nephrostomy in Children: Diagnostic and Therapeutic Applications/Retrograde Percutaneous Nephrostomy/Dilatation of the Nephrostomy Tract/Nephrostomy Tubes: Insertion and Replacement/Re-establishment of the Nephrostomy Tract/Percutaneous Nephroscopes/Nursing Aspects of Percutaneous Stone Extraction/Lithotripsy/Perioperative Management of the Patient with Urolithiasis/Selection of the Nephrostomoy Site for Stone Extraction/Renal Vascular Complications of Nephrostolithotomy/Chemolysis of Calculi: Systemic and Local Approaches