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立体定向放射治疗鼻咽癌的残存与复发病灶 被引量:2

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摘要 目的 初步评价立体定向放射治疗技术对于鼻咽癌放射治疗后鼻咽腔残存或复发病灶的应用价值。方法 对 44例鼻咽癌放射治疗后病灶残存或复发的患者 ,应用立体定向放射治疗系统 ,Uni Frame头颈体位固定面罩 (MED TEC) ,8MV X线 ,5~ 7Gy/次 ,1~ 4个等中心 ,参考剂量线选定为 70 %~ 90 % ,肿瘤灶总剂量DT2 0~ 49Gy。结果 肿瘤完全消失 (CR)占 75 % (33/ 4 4 ) ,部分消退占 2 2 7% (1 0 / 4 4 ) ,不能评价占 2 3 % (1 / 4 4 )。 1、2、3年生存率分别为 81 8%、68 2 %、56 8%。
出处 《江苏医药》 CAS CSCD 北大核心 2002年第6期441-442,F002,共3页 Jiangsu Medical Journal
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