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目的探讨静态调强和动态调强的剂量分布图、DVH参数及其合理应用方法。方法选择6例中下段食管癌患者，在苏州雷泰TiGRT TPS计划系统上分别设计静态调强与动态调强治疗计划，比较分析两种计划的靶区优化结果、危及器官的优化结果、计划跳数及执行时间。结果通过观察DVH曲线发现，对于靶区剂量的分布，动态调强优于静态调强；对于OAR的保护，两者比较，差异无统计学意义。结论当直线加速器剂量率比较稳定时，建议在设计计划时可优先选择动态调强。
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更新时间：2015-12-16
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放射治疗中静态与动态调强的对比研究
Comparison on planning of static and dynamic intensity-modulated radiation therapy for esophageal carcinoma
微创医学 201505期 页码：597-599
作者机构：1 成都理工大学，四川成都市610059；2 重庆市第九人民医院肿瘤放疗中心，重庆市400700
基金信息：作者简介：吴晓玲（1987～），女，硕士，研究方向：辐射防护与环境保护。
- 中文简介
- 英文简介
- 参考文献
ObjectiveTo study the dose distribution and DVH parameters of static and dynamic intensity-mudulated radiotherapy (IMRT) in order to obtain a reasonable IMRT planning for esophageal carcinoma. MethodsThe static and dynamic IMRT treatment planning were designed respectively for six patients with esophageal cancer using the TiGRT TPS planning system of Suzhou Lei Tai. The target dose distribution and the OAR protection of the two plans were compared. Resultsbased on the DVH curve, the target dose distribution of dynamic IMRT was superior to that static IMRT, and the OAR protection between two plannings showed no difference. ConclusionWhen the dose rate of linear accelerator is relatively stable, it is recommended to choose dynamic IMRT rather than static IMRT.
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