Abstract
– Simple renal cysts are often found casually during ultrasound. When they cause flank or back pain, hypertension, renal calyceal or pelvic obstruction or deterioration in renal function, an operation is necessary. Ultrasound-guided percutaneous drainage and sclerotisation are currently considered the least invasive and safest management options compared to open surgery or video laparoscopy. This method was used from January 1993 to February 1997 to treat 60 patients with a success rate of 78% and no significant complications, except for a case of suppuration which was promptly resolved. Our experience showed that best results were obtained when a second alcoholisation was carried out and the catheter-drainage left in situ for three days to help in the collapse of cyst walls.
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