[1]谢红亮,胡灿,曹洋森,等. 基于Monaco的食管癌容积旋转调强计划中两种优化模式的剂量学比较[J].中国医学物理学杂志,2018,35(7):745-748.[doi:DOI:10.3969/j.issn.1005-202X.2018.07.001]
 XIE Hongliang,HU Can,CAO Yangsen,et al. Comparison of dose distributions calculated by two optimization methods of Monaco system used in volumetric modulated arc therapy of esophageal cancer[J].Chinese Journal of Medical Physics,2018,35(7):745-748.[doi:DOI:10.3969/j.issn.1005-202X.2018.07.001]
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 基于Monaco的食管癌容积旋转调强计划中两种优化模式的剂量学比较()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
35卷
期数:
2018年第7期
页码:
745-748
栏目:
医学放射物理
出版日期:
2018-07-20

文章信息/Info

Title:
 Comparison of dose distributions calculated by two optimization methods of Monaco system used in volumetric modulated arc therapy of esophageal cancer
文章编号:
1005-202X(2018)07-0745-04
作者:
 谢红亮胡灿曹洋森于春山孙永健刘永明张火俊
 上海长海医院放疗科, 上海 200433
Author(s):
 XIE Hongliang HU Can CAO Yangsen YU Chunshan SUN Yongjian LIU Yongming ZHANG Huojun
 Department of Radiation Oncology, Shanghai Changhai Hospital, Shanghai 200433, China
关键词:
 食管癌容积旋转调强治疗计划系统放射治疗剂量
Keywords:
 esophageal cancer volumetric modulated arc therapy treatment planning system radiotherapy dose
分类号:
R735.1;R811.1
DOI:
DOI:10.3969/j.issn.1005-202X.2018.07.001
文献标志码:
A
摘要:
 目的:对比Monaco治疗计划系统中Pareto和Constrained两种优化模式在食管癌容积旋转调强(VMAT)中的剂量学差异。 方法:回顾分析23例食管癌患者临床资料,使用Monaco治疗计划系统在相同优化条件下分别使用Pareto和Constrained模式进行优化和剂量评估。比较两种优化模式的靶区剂量、适形度指数、均匀性指数、危及器官受量、子野数和机器跳数。 结果:两种模式优化的靶区剂量、适形度指数、均匀性指数和危及器官受量差异不明显,无显著统计学意义(P>0.05)。 结论:在使用Monaco设计食管癌的VMAT治疗计划时使用Pareto和Constrained优化模式均可获得较好的剂量分布,可以应用于临床。
Abstract:
 Objective To compare the dosimetric differences in volumetric modulated arc therapy (VMAT) of esophageal cancer after Pareto optimization or Constrained optimization of Monaco treatment planning system. Methods The clinical information of 23 patients with esophageal cancer was retrospectively analyzed. With the same optimization parameters, the Pareto and Constrained optimization models of Monaco treatment planning system were used to optimize VMAT plans and perform dose verification. After optimization, the differences in target dose, conformity index, homogeneity index, organs-at-risk dose, segments and monitor units were compared. Results The differences between two optimized plans in the target dose, conformity index, homogeneity index, and organs-at-risk dose were trivial, without statistical significance (P>0.05). Conclusion Both Pareto and Constrained optimization models of Monaco treatment planning system for the optimization of VMAT plan of esophageal cancer can achieve a good dose distribution and is clinically applicable.

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备注/Memo

备注/Memo:
 【收稿日期】2018-03-22
【基金项目】国家重点研发计划(2017YFC0113104)
【作者简介】谢红亮,主管技师,研究方向:肿瘤放射物理与技术,E-mail: 642738836@qq.com
【通信作者】张火俊,副主任医师,研究方向:恶性肿瘤的射波刀治疗、调强放疗、介入综合治疗及影像诊断,E-mail: ccyyzhj@163.com
更新日期/Last Update: 2018-07-24