肾血管平滑肌脂肪们（AML）是肾脏少见的良性肿瘤，随着诊断技术的提高．近年有增多趋势，其CT扫描有特征性表现，可为治疗方式的选择提供可靠的依据。现将1987年～1996年收治20例的CT诊断报告如下。临床资料男5例，女15例。年龄ZI～63岁，平均42岁。肿瘤位于左肾10例，右肾7例 Renal vascular smooth muscle lipids (AML) is a rare benign tumor in the kidney, with the diagnosis of technology improved. In recent years, there is an increasing trend, the CT scan has a characteristic performance, which can provide a reliable basis for the choice of treatment. Now from 1987 to 1996 were treated 20 cases of CT diagnostic report is as follows. Clinical data of 5 males and 15 females. Age ZI ~ 63 years old, average 42 years old. Tumor located in the left kidney in 10 cases, 7 cases of right kidney