We present an overview of the fast development of less invasive techniques in intrarenal surgery all based on percutaneous nephrostomy. Life-long urinary diversion with nephrostomy is often necessary in patients with malignant disease and such patients have more postnephrostomy complications than patients with kidney stones and their survival is short. In a follow-up of 246 patients with 275 nephrostomies performed consecutively over two years, mean survival after urinary diversion was only 7.9 months in 38 prostate cancer patients with ureteral obstruction and only 5.3 months in 20 patients with advanced bladder cancer. We emphasize the necessity of informing the patient and his/her family of the expected outcome of the procedure and the importance of using carefully chosen and realistic indications.
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