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目的 总结评价体外 6野放疗的疗效与并发症。方法 对辽宁省肿瘤医院 1980年 7月至 1999年 10月 10 82例单纯行体外 6野放疗或以体外 6野放疗为主的宫颈癌病人进行疗效及并发症分析。体外 6野放疗为采用60 Co治疗机或高能X线行 6野交叉照射。结果 10 82例单纯体外放射治疗病人的 3年、5年、10年存活率分别为 6 3 4 5 %、5 3 5 9%、4 1 71%。单纯体外 6野放疗远期放射性直肠炎发生率为 15 5 % ,远期放射性膀胱炎的发生率为 3 6 %。结论 尽管体外 6野放疗较综合放疗有相对高的放射性直肠炎发生率 ,但对于不能接受综合放疗的宫颈癌病人仍有肯定的治疗价值 ,可获得Ⅱ期 71 2 8%、Ⅲ期 5 1 0 9%的 5年存活率。
Objective To summarize and evaluate the efficacy and complications of 6 field radiotherapy in vitro. Methods A total of 10 82 cases of cervical cancer patients who were treated exclusively with 6 field radiotherapy in vitro or 6 field radiotherapy in vitro in Liaoning Cancer Hospital from July 1980 to October 1999 were analyzed retrospectively. 6 field radiotherapy in vitro is 60 Co treatment machine or high-energy X-ray line 6 field cross irradiation. Results The 10-year, 5-year and 10-year survival rates of 10 82 patients with extracorporeal radiotherapy were 63 45%, 53 35% and 41 71%, respectively. The incidence of long-term radiological proctitis in 6 outfield radiotherapy alone was 15 5%, and the incidence of long-term radiation cystitis was 36%. Conclusions Despite the relatively high incidence of radiological proctitis in 6-field radiotherapy in vitro compared with radiotherapy, there is still definite therapeutic value for patients with cervical cancer who can not receive radiotherapy, and 71.28% of patients with stage Ⅱ, 51.0% of patients with stage Ⅲ 9% 5-year survival rate.