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PET-CT可以通过一次检查获得肿瘤组织的生物学信息和解剖信息,可以在勾画大体肿瘤靶区(gross tumor volume,GTV)的同时进行生物肿瘤靶区(biological tumor volume,BTV)的定位,并指导生物靶区内的差异化照射,对改进治疗计划、提高放疗效果的潜在价值越来越受到重视。同时,肿瘤放疗后的PET能获得较解剖结构改变更早的功能代谢信息改变,对早期监测残余及复发、指导推量照射具有重要的意义。
18F-FDG PET-CT在鼻咽癌靶区勾画及推量照射研究中的价值
Value of 18F-FDG PET-CT in nasopharyngeal carcinoma target delineation and radiotherapy boost
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摘要: 18F-FDG PET-CT已广泛应用于鼻咽癌的诊断及分期,近年来其对放疗靶区勾画的影响也引起人们的重视。该文着重探讨18F-FDG PET-CT在提高鼻咽癌放疗靶区勾画准确性、减少靶区勾画差异、指导剂量绘画及推量照射的临床研究价值。
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关键词:
- 鼻咽肿瘤 /
- 放射疗法 /
- 正电子发射断层显像术 /
- 体层摄影术,X线计算机 /
- 靶区勾画 /
- 推量照射
Abstract: 18F-FDG PET-CT has widely used in nasopharyngeal carcinoma diagnosis and staging in recent years, it's effecten target volume delineation has received great attention. The article lays stress on the clinical research progress of 18F-FDG PET-CT in the radiotherapy of nasopharyngeal carcinoma improve the accuracy of target delineation, reduce the difference of target delineation, guide the dose painting and boost. -
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