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自１９９１年９月至１９９４年５月，由Ｂ超检查发现了１０例无症状肾癌患者。所有患者均行根治性肾癌切除术，术后随访２～３４个月，平均随访１９个月。１例术后３个月发现腰椎转移，局部放疗后带瘤存活至今，其余患者均无瘤健在。在临床中广泛应用Ｂ超检查能发现无任何临床症状的肾癌患者，今后如进一步扩大普查范围，则可发现更多此类患者。
From September 1991 to May 1994, 10 asymptomatic renal cancer patients were diagnosed by B-mode ultrasound. All patients underwent radical nephrectomy. The patients were followed up for 2 to 34 months and followed up for an average of 19 months. One case was found lumbar metastasis 3 months after operation, with tumor survival after local radiotherapy so far, the rest of the patients were tumor-free. Extensive clinical application of B-ultrasound can be found without any clinical symptoms of renal cell carcinoma in the future as further expand the scope of the census, you can find more such patients.