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Advances in Urology
Volume 2009, Article ID 906013, 5 pages
http://dx.doi.org/10.1155/2009/906013
Clinical Study

A New Technique for Simple Renal Cyst: Cystoretroperitoneal Shunt

1Urology II Clinics, Kartal Training and Research Hospital, 34738 Istanbul, Turkey
2Urology Department, Yeditepe University, 34758 Istanbul, Turkey

Received 11 March 2009; Accepted 22 May 2009

Academic Editor: Maxwell V. Meng

Copyright © 2009 Onder Canguven et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose. To evaluate the results of patient symptoms and radiologic outcomes of cystoretroperitoneal shunt (CRS) technique in the treatment of symptomatic simple renal cysts. Patients and Methods. In a prospective study, 37 patients with a simple renal cyst were treated with ultrasound-guided percutaneous CRS-catheter. Radiological success was indicated as no recurrence of the cyst or a reduction in cyst volume by at least half. Results. CRS technique was performed successfully in 36 patients with a simple renal cyst. The mean size of all cysts decreased from 8.8 cm (range 7 to 14) to 1.7 cm (range 0 to 9; 𝑃 < . 0 0 1 ). Symptomatic success (pain relief) was achieved in 29/36 (80.5%) of patients, and radiographic success was achieved in 23/36 (63.8%) of patients, with a median follow-up of 16 months (range 6 to 24). Conclusion. Ultrasound-guided percutaneous CRS technique for simple renal cysts is fast, safe, effective, and inexpensive.