适形调强放射治疗鼻咽癌56例体会  

Observation of nasopharyngeal carcinoma treated by conformal modulating radiotherapy in 56 cases

作　　者：王程鹏[1] 杨晋[1] 杨海英[1] 

机构地区：[1]海军安庆医院,安徽安庆246003

出　　处：《海军医学杂志》2007年第3期207-209,共3页Journal of Navy Medicine

摘　　要：目的:总结适形调强放射治疗鼻咽癌的结果与体会。方法:2001年5月至2005年5月收治经病理证实的鼻咽癌患者56例,采用适形调强放疗,每周5次,每次220 Gy。结果:95%等剂量曲线包绕临床照射靶区(CTV),均匀度指数(最大剂量/处方剂量)平均1.128,重要器官的平均受照量均低于其耐受量(TD5/5)的50%。结论:适形调强放疗鼻咽癌能较好地保护周围敏感器官,放疗不良反应小,疗效明显好于常规放疗。Objective. To explore the result of nasopharyngeal carcinoma treated by conformal modulating radiotherapy（IMRT）. Methods： From May 2001 to May 2005, 56 cases with nasopharyngeal carcinoma were treated with IMRT. The irradiation dose was used as 220 Gy five times per week. Results. The dinical target volume（CTV） was enclosed by 95 % isodose line and evenness index （maximal dose/Rx dose）median was 1. 128. At the same time, the average dose was half to the tolerance dose （TD5/5）. Conclusions： IMRT can protect the critical organs with little radiotherapentic respons and better effects.

关 键 词：鼻咽癌 肿瘤 适形调强放射治疗 

分 类 号：R739.6[医药卫生—肿瘤]