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KMID : 0358320080490100917
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Korean Journal of Urology
2008 Volume.49 No. 10 p.917 ~ p.922
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Treatment of Simple Renal Cysts by Percutaneous Aspiration and OK-432 Sclerotherapy
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Park Sung-Jin
Kim Won-Tae
Cho Soung-Yong
Lee Dong-Hoon
Cho Kang-Su
Ham Won-Sik
Choi Young-Deuk
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Abstract
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Purpose: Percutaneous aspiration with sclerotherapy has been widely used for the treatment of symptomatic or large simple renal cysts. Ethanol has been most commonly used as a sclerosing agent; however, a temporary percutaneous nephrostomy for multiple ethanol injections is necessary to achieve a low recurrence rate. Thus, we used OK-432 as a new sclerosing agent without a temporary percutaneous nephrostomy for multiple injections, and also compared our results with the results of previous studies.
Materials and Methods: Between October 2005 and April 2006, 50 patients (63 simple renal cysts) who underwent percutaneous OK-432 sclerotherapy for simple renal cysts were evaluated. The simple renal cysts were aspirated under ultrasonography and fluoroscopy, after which OK-432 was injected into the cyst. Follow-up was performed with ultrasonography or CT scan after 3 months. Regression of the renal cyst or a ＞70% reduction in size with no symptoms was considered a treatment success.
Results: Among 63 renal cysts in 50 patients, complete regression occurred in 17(27.0%). Greater than a 90% reduction in size occurred in 8(12.7%), a 80-90% reduction in size occurred in 21(33.3%), and a 70-80% reduction in size occurred in 15(23.8%); a ＜70% reduction in size occurred in 2 (3%). The overall efficacies of success were 96.8%. After the procedure, there were only some minor complications, such as mild fever, local pain, and liver function test elevation that subsided with symptomatic treatment.
Conclusions: Percutaneous OK-432 sclerotherapy is simple, safe, and effective and can be an alternative first-line therapy of simple renal cysts.
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KEYWORD
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Renal cyst, OK-432, Sclerotherapy
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