立体定向X射线全身治疗系统物理精度测试分析  

Testing Analysis on Physical Precision of Stereotatic X-ray Whole Body Treatment System

作　　者：尹勇[1] 李建彬[1] 韩廷芒[1] 卢洁[1] 王亚彬[1] 刘同海[1] 

机构地区：[1]山东省肿瘤医院放疗科,山东济南250117

出　　处：《肿瘤防治杂志》2002年第6期626-627,共2页China Journal of Cancer Prevention and Treatment

摘　　要：目的 :检测立体定向X射线全身治疗系统的物理精度。方法 :通过用胶片和电离室测量法 ,测量出立体定向X射线全身治疗系统综合定位精度及X TPS单靶点规划剂量误差。结果 :综合定位误差 1 91mm ,单靶点剂量规划误差小于 1%。结论Objective To test the physical precision of stereotatic x ray whole body treatment system.Methods the integrated positioning precision and single target point dose programming precision were tested by film and ionization chamber.Results The integrated positioning error was 1 91mm and the single target point programming dose error less than 1%.Conclusions The physical precision of stereotatic x rays whole body treatment system meets the clinical require.

关 键 词：立体定向 X射线 全身治疗系统 物理精度 测试 治疗计划系统 

分 类 号：R815[医药卫生—放射医学]