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目的：探讨并分析肾细胞癌术后放疗价值及治疗失败原因。方法：1988年1月～1992年3月收治43例肾细胞癌术后病人，单纯手术22例，手术加术后放疗21例，放疗剂量50Gy／SW左右。结果：单纯手术者五年生存率为43．5％，手术加术后放疗者五年生存率为47．6％，两者比较无明显差异（P＞0．05）。单纯手术组死于远地转移者占66．7％（10／15，除外Ⅳb期7例），手术加术后放疗组死于远地转移者占66．7％（14／21），两者无显著差异（P＞0．05）。结论：远地转移为肾细胞癌治疗失败的主要原因，需寻找新的综合治疗手段解决远地转移问题。
Objective: To investigate and analyze the value of postoperative radiotherapy for renal cell carcinoma and the causes of treatment failure. Methods: From January 1988 to March 1992, 43 patients with postoperative renal cell carcinoma were treated. Twenty-two patients underwent surgery alone, and 21 patients underwent surgery plus postoperative radiotherapy. The radiation dose was about 50 Gy/SW. Results: The five-year survival rate was 43.5% in patients undergoing surgery alone, and 47.6% in patients undergoing surgery plus postoperative radiotherapy. There was no significant difference between the two groups (P>0.05). 66.7% (10/15, except for IVb) of 66.7% (14/21) died of distant metastases in the surgery alone group, and 66.7% (14/21) of the patients died of distant metastases after surgery and postoperative radiotherapy. There was no significant difference (P>0.05). Conclusion: The distant metastasis is the main reason for the failure of renal cell carcinoma. It is necessary to find a new comprehensive treatment to resolve the problem of distant metastasis.