Polidocanol sclerotherapy for simple renal cysts.

Simple renal cysts were treated by aspiration and injection of the sclerosing agent 3% polidocanol (Aetoxisclerol) in 15 patients. All patients were followed up by ultrasound for 1-24 months. The age ranged from 35 to 81 years. There was 1 recurrence at 1 month. The efficacy of this treatment was 93%. Fourteen cysts completely disappeared, and no recurrence occurred after 1 year. Complications, such as microscopic hematuria, fever and infection, were not observed. The technique of polidocanol sclerotherapy was effective and safe.