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局限期小细胞肺癌同步放化疗中不同靶区勾画模式对疗效及毒性反应影响的对比研究

本站小编 Free考研考试/2024-01-21

摘要: 目的探讨局限期小细胞肺癌(LD-SCLC)同步放化疗中原发灶大体靶区(GTVprimary)扩大与不扩大临床靶区(CTV) 2种靶区勾画模式对疗效及毒性反应的影响。方法回顾性分析2016年10月至2020年10月中日友好医院放射肿瘤科收治的89例接受同步放化疗的LD-SCLC病例资料,其中,45例接受了GTVprimary外扩的治疗方案(A组),44例接受了GTVprimary不外扩的治疗方案(B组)。比较分析2组治疗的有效率、毒性反应发生率及远期生存等指标。结果 86例患者中位随访时间21.3个月(3.2~60.8个月)。A组与B组患者的近期有效率分别为79.1%和76.7%(P=0.795),总体局部进展率为37.2%,中位无进展生存时间分别为13.2和12.1个月(P=0.648),中位总生存时间分别为21.5和20.3个月(P=0.667),包括一线治疗进展模式在内,2组间均无统计学差异。3度及以上放射性肺炎A组为16.3%,B组为4.5%,A组有增高的趋势(P=0.078)。结论同步放化疗过程中,原发灶肿瘤靶区GTVprimary不外扩CTV并不影响患者的近期和远期疗效,且能降低放化疗过程中的3度及以上放射性肺炎的发生概率。

局限期小细胞肺癌同步放化疗中不同靶区勾画模式对疗效及毒性反应影响的对比研究

高立伟1, 杨雄涛2, 谷润川2, 许长丹2, 朱广迎1,2
1. 中日友好医院放射肿瘤科, 北京 100029;
2. 北京大学中日友好临床医学院放射肿瘤科, 北京 100029
收稿日期:2022-03-25出版日期:2022-05-30发布日期:2022-05-28
通讯作者:朱广迎
作者简介:高立伟(1981-),男,主治医师,硕士.
基金资助:科技部国家重点研发计划(2018YFC1313202)


关键词: 肺癌, 局限期小细胞肺癌, 同步放化疗, 放射治疗靶区, 放射性肺炎
Abstract: Objective To explore expanded and non-expanded methods for delineating target primary gross tumor volume (GTVprimary) and to compare their efficacy and side effects on clinical target volume (CTV) during concurrent chemoradiotherapy of limited disease small cell lung cancer (LD-SCLC). Methods Information was collected on 89 patients who received concurrent chemoradiotherapy from October 2016 to October 2020,including 45 cases of GTVprimary that were expanded to CTV (group A) and 44 cases of GTVprimary that were not expanded to CTV (group B). Statistical analysis was conducted to compare parameters such as side effects,efficacy rates,and survival rates. Results The median follow-up time was 21.3 months (range,3.2 to 60.8 months). The short-term effective rates for the group A and group B were 79.1% and 76.7%,respectively (P=0.795); the median progression-free survival time were 13.2 and 12.1 months,respectively (P=0.648); the median overall survival time were 21.5 and 20.3 months,respectively (P=0.667); and the local progression rate of both groups was 37.2%. No significant difference was found between the two groups,even in the first-line treatment progress mode; however,16.3% of cases in the group A and 4.5% of cases in the group B (P=0.078) acquired radiation pneumonia of grade 3 or above. Conclusion The target GTVprimary does not expand CTV during concurrent chemoradiotherapy,nor does it affect the short- and long-term efficacy rates of patients; in addition,it can reduce the incidence of radiation pneumonia of grade 3 or above.
Key words: lung cancer, limited disease small cell lung cancer, concurrent chemoraditherapy, radiation target, radiation pneumonia
PDF全文下载地址:

https://journal.cmu.edu.cn/CN/article/downloadArticleFile.do?attachType=PDF&id=2984
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