作者对已证实诊断的49例肾细胞癌(RCC)和35例肾血管肌脂瘤(AML)的US进行研究。RCC组男28例,女21例,年龄36～97岁。其中1个肿瘤46例,2个肿瘤2例,3个肿瘤1例。AML组男8例,女27例,年龄20～94岁。1个病灶32例,2个、3个和4个病灶的各1例,CT上确定为脂肪从而诊断为AML者29例,病灶高回声至少2年无变化5例,病理检查1例。由两位放射学家回顾性复习US图像,估价每个肿块的部 The authors studied 49 confirmed renal cell carcinoma (RCC) and 35 US patients with renal angiomyolipoma (AML). The RCC group included 28 males and 21 females, aged 36 to 97 years. One of the tumors was 46 cases, 2 tumors were 2 cases, and 3 tumors were 1 case. AML group 8 males and 27 females, aged 20 to 94 years old. There were 32 cases with one lesion, 1 case with 2 lesions, 3 lesions, and 4 lesions. There were 29 cases with AML diagnosed as fat on CT, 5 cases with high hyperechoic lesions for at least 2 years, and 1 pathological examination. Two radiologists reviewed the US image retrospectively to evaluate the size of each mass