肾囊肿为一种先天性遗传疾病 ,目前尚无有效方法阻止其病情发展。对该病早期发现 ,及时正确的治疗 ,可提高病人的生命质量。当囊肿 4ｃｍ不引起症状时 ,一般不需治疗 ,但若 4ｃｍ且合并一定症状时 ,应优先采取局部注射无水酒精硬化疗法 (简称硬化疗法 )。本文于 1989～ 2 0 0 Renal cyst is a congenital genetic disease, there is no effective way to prevent the progression of the disease. The early detection of the disease, timely and correct treatment, can improve the quality of life of patients. When the cyst 4cm does not cause symptoms, generally do not need treatment, but if 4cm and certain symptoms, priority should be given to local injection of anhydrous alcohol sclerotherapy (referred to as sclerotherapy). This article in 1989 ~ 2 0 0