肾血管平滑肌脂肪瘤(Angiomyolipoma)是一种具有CT特征的肾脏良性肿瘤.过去认为罕见,近年来随着B超、CT、MRI的广泛应用,病例数日趋增多.我院1989y～1991y间,经CT检查共发现13例,均经临床病理证实,现着重就其CT诊断特征及鉴别诊断问题作一总结分析,以期进一步提高对本病的认识. Angiomyolipoma is a benign kidney neoplasm characterized by CT, which was considered rare in the past. In recent years, with the extensive application of B-ultrasound, CT and MRI, the number of cases has been increasing. Between 1989 and 1991 in our hospital, CT examination found a total of 13 cases were confirmed by clinical pathology, are focused on its CT diagnostic features and differential diagnosis to make a summary analysis, in order to further improve the understanding of the disease.