Percutaneous management of benign renal cysts.

Percutaneous emptying of benign renal cysts represents the adopted treatment for this kind of pathology. The introduction of pure ethilic alcohol (95 degrees) is usually associated with emptying because it determines the necrosis of the secreting epithelious with recurrences and little significant complications. This treatment is the less bloody solution that can be executed in surgery and for this reason it is proposed in the time as an alternative to surgery treatment of removal.