囊性肾癌是临床比较少见的一种特殊类型肾癌,常易误诊[1]。本研究对经超声检查的7例囊性肾癌患者及其中超声误诊3例的超声影像与病理关系及误诊原因进行分析,报告如下。资料与方法囊性肾癌7例,均为男性,年龄25~46岁,平均31.5岁。右肾4例,左肾3例。临床表现:血尿6例,腰痛4例,腹 Cystic renal cell carcinoma is a relatively rare clinical type of renal cell carcinoma, often misdiagnosed [1]. In this study, ultrasonography in 7 cases of cystic renal cell carcinoma and ultrasound diagnosis of ultrasound in 3 cases and the pathological relationship and misdiagnosis of the reasons were analyzed, the report is as follows. Materials and Methods Cystic renal cell carcinoma in 7 cases, both men, aged 25 to 46 years, an average of 31.5 years old. Right kidney in 4 cases, left kidney in 3 cases. Clinical manifestations: hematuria in 6 cases, 4 cases of back pain, abdomen