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Comparison between conventional fractionation,late-course accelerated hyperfractionation and external beam combined with intracavitary radiation in the treatment of locally moderate and advanced esophageal carcinoma

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF RADIATION ONCOLOGY
Issue:
4
DOI:
10.3760/j.issn:1004-4221.2004.04.004
Key Word:
食管肿瘤/放射疗法;食管肿瘤/近距离放射疗法;放射剂量分次

Abstract: 目的观察和比较常规分割、后程加速超分割及常规分割加腔内照射三种方式治疗局部中晚期食管癌的疗效及放射反应.方法对111例局部中晚期食管癌首治病例进行前瞻性随机分组研究.常规分割照射组(常规组)40例:2.0Gy/次,1次/d,5 g/周,共60 Gy,30分次,6周完成.后程加速超分割组(后超组)41例:前3周常规分割,30 Gy,15分次,3周完成;后2周加速超分割照射,1.5Gy/次,2次/d,5 d/周,共30 Gy,20分次,2周完成.常规外照射加腔内照射组(腔内组)30例:常规外照射达34~36 Gy时与腔内照射同期进行(腔内照射当天停外照射1次),腔内照射5.0 Gy/次,1次/周,共2次,外照射总量为50 Gy.结果常规组和后超组及腔内组的1、3、5年生存率分别为57.5%、22.5%、14.1%和57.5%、29.3%、24.4%及53.3%、26.7%、23.3%,急性放射性食管炎的发生率分别为22.5%和41.5%及50.0%,出血、穿孔的发生率分别为7.7%和7.3%及16.7%.结论虽然后程加速超分割放射治疗有提高生存率的趋势,但与常规分割照射组及常规外照射加腔内放射治疗组的生存率差异无显著性意义,但其是否在治疗中晚期食管癌方面占有绝对优势尚有待大样本前瞻性随机临床研究和长期观察.

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