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Year : 2015  |  Volume : 7  |  Issue : 3  |  Page : 310-314

Comparison between the use of 99% ethanol and 3% polidocanol in percutaneous echoguided sclerotherapy treatment of simple renal cysts

Department of Urology, Arcispedale "S. Anna", Cona 44124, Ferrara, Italy

Correspondence Address:
Lucio Dell'Atti
Department of Urology, Arcispedale "S. Anna", Via A. Moro 8, Cona 44124, Ferrara
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DOI: 10.4103/0974-7796.152026

PMID: 26229316

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Aim: In this study, we compared and valued efficacy and safety of percutaneous echoguided sclerotherapy (PES) using 3% polidocanol with that using 99% ethanol in the treatment of patients with simple renal cysts. Materials and Methods: PES was performed for 65 simple renal cysts. Under ultrasonographic guidance the cyst was punctured using an 18 gauge needle. Sclerotherapy was performed with ethanol in 55% (36/65) of cases and with polidocanol in the remaining 45% (29/65). Patients were followed up with an ultrasound examination at 4 months, 8 months, and then at yearly intervals. A reduction of 50% or greater in cyst diameter was considered successful. Results: The median followup period for the ethanol and polidocanol groups was 24.6 and 22.8 months, respectively. The successful outcome ratio of the polidocanol group was significantly higher (90% vs. 61%, respectively) than the one of the ethanol group (P = 0.003). The partial regression of the ethanol and polidocanol groups were 6% versus 7%, respectively. The failure ratio of the polidocanol group was significantly lower (3% vs. 33%, respectively) than that of the ethanol group (P = 0.004). Neither infectious complications nor hyperthermia occurred in all treated cases. However, these methods are not completely free from symptoms. All these symptoms disappeared few hours after the procedure. Conclusions: Polidocanol is a safe and effective sclerosing agent for renal cysts, with superior clinical results than ethanol. Therefore, polidocanol can be an alternative to ethanol in sclerotherapy of renal cysts.

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