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上尿路移行细胞癌行不全肾输尿管切除术后,输尿管残端肿瘤复发率达20～58％;相反,肾实质肿瘤转移到较低尿路则很罕见,英文文献中已报道45例肾癌转移到输尿管,其中31例累及输尿管残端,9例手术时已经累及输尿管,5例累及对侧输尿管。作者报道了第32例来自肾癌的输尿管残端转移癌。肾癌的转移部位多而不定。标准的肾癌根治术常规保留输尿管残端,尽管该处很少出现转移癌,
In the upper urinary tract transitional cell carcinoma incomplete renal ureteral resection, ureteral stump tumor recurrence rate of 20 to 58%; In contrast, renal parenchymal tumor metastasis to a lower urinary tract is rare, 45 cases of renal cell carcinoma have been reported in the English literature Transfer to the ureter, 31 cases involving the ureteral stump, 9 cases had been involved in the ureter surgery, 5 cases involved the contralateral ureter. The authors reported on the 32nd case of ureteral stump metastases from kidney cancer. The site of metastasis of kidney cancer is uncertain. Standard radical nephrectomy routinely retains the ureteral stump, although metastatic cancer rarely develops there.