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[Study on the sclerosing agent for the treatment of simple renal cysts]
H Akiyama1, T Ichikawa, A Nagai
1Department of Urology, Okayama University Medical School.
Background:
The objective of this study is to evaluate the sclerosing agents for simple renal cysts.
Methods:
Thirty-three renal cysts of 30 patients were treated by injection of sclerosing agents with the guidance of ultrasonography. Among them, 22 were treated with ethanol, and 11 with minocycline-hydrochloride (MINO).
Results:
Clinical efficacy rates and volume reduction rates in each treatment group of ethanol or MINO, were 100% and 90.9%, and 91.2 +/- 13.1% (mean +/- SD) and 83.2 +/- 28.5%, respectively. Although several complications including pain and intoxication were observed in ethanol (47.4%), no complications were observed in MINO.
Conclusion:
The instillation of MINO into renal cysts is an effective, safe and simple treatment. It is thought that it can be the first choice of treatment for simple renal cysts.