单纯性肾囊肿多见于成年人，较大的囊肿压迫肾组织引起腰部酸痛和血尿。外科手术治疗多采用囊肿开窗术。近年来，国内外多用保守治疗，采用穿刺抽液注射硬化剂的方法。我院自１９９４年１月～１９９８年１２月，在Ｂ超引导下，以无水酒精为硬化剂，采用先引流，后重复注射硬化 Simple renal cysts more common in adults, the larger cyst oppression of kidney tissue caused by sore and hematuria. Surgery and more use of cyst fenestration. In recent years, more conservative treatment at home and abroad, the use of puncture fluid injection sclerotherapy method. Our hospital from January 1994 to December 1998, under the guidance of the B-to anhydrous alcohol as a hardener, the first drainage, after repeated injection sclerosis