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Clinical experience with percutaneous renal cyst resection

Simple renal cysts are a common finding, with an estimated incidence of 54% in adults over 50 years old [1,2]. They ordinarily require no treatment [3]. Generally, intervention may be necessary in case of pain, haematuria, hypertension, recurrent infection and obstructive uropathy [4]. We describe a modified technique of percutaneous renal cyst resection (PRCR) and report on 10 operations and the patients’ outcomes. The indication for this method is restricted to adult patients with large single renal cysts at the lateral margin of the kidney or the upper or lower pole, and chronic flank, lumbar or abdominal pain clinically due to the cyst and refractory to medical management.