全身γ刀治疗不能手术Ⅰ和Ⅱ期非小细胞肺癌的临床结果

被引:45
作者
夏廷毅
李宏奇
王颖杰
李平
孙庆选
范乃斌
于勇
机构
[1] 中国人民解放军空军总医院肿瘤放疗科
关键词
癌,非小细胞肺/立体定向放射疗法; 全身γ刀; 治疗效果;
D O I
暂无
中图分类号
R686 [筋腱、韧带、滑囊疾病及损伤];
学科分类号
1002 ; 100210 ;
摘要
目的评价全身γ刀治疗Ⅰ、Ⅱ期非小细胞肺癌的疗效和放射反应。方法对43例因医学原因不能手术的Ⅰ、Ⅱ期非小细胞肺癌采用国产全身γ刀治疗,用真空负压袋固定体位、慢速CT定位扫描和三维治疗计划。PTV边缘总剂量50%剂量线50 Gy分10次2周完成(肺门肿大淋巴结40 Gy),中心最大剂量80~100 Gy,70 Gy覆盖GTV 90%以上。中位随访时间27个月。结果治疗后3~6个月,原发灶完全缓解率为63%,总有效率为95%。1、2、3年肿瘤局部控制率均为95%,1、2、3年总生存率Ⅰ期分别为100%、91%、91%、Ⅱ期分别为73%、64%、64%、Ⅰ+Ⅱ期分别为88%、78%、78%。肺早晚期反应较轻,3级放射性肺炎仅1例。放射性食管反应在周围型肺癌中没有,中心型肺癌的9例中,1级8例,2级1例。结论我国独创的全身γ刀治疗早期非小细胞肺癌局部控制率和生存率较好,而且放射反应轻,是一种安全有效的局部治疗手段。
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