| 加速器X射线组织最大剂量比测量值与计算值的比较 |
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| 引用本文： | 陈杨生,曾自力. 加速器X射线组织最大剂量比测量值与计算值的比较[J]. 医疗卫生装备, 2012, 33(10): 106-107,148 |
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| 作者姓名： | 陈杨生 曾自力 |
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| 作者单位： | 1. 柳州市肿瘤医院肿瘤科,广西柳州,545007
2. 柳州市柳铁中心医院肿瘤科,广西柳州,545007 |
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| 摘 要： | 目的:验证组织最大剂量比(TMR)计算的准确性.方法:用三维水箱测量百分深度剂量(PDD)和TMR,并与计算值TMR进行比较.结果:测量值与计算值在误差允许范围内.结论:X射线TMR的计算值可直接用于临床剂量计算.
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| 关 键 词： | 放射治疗 组织最大剂量比 百分深度剂量 |
Comparison of Measurement and Computed Value for Tissue Maximum Ratio of Accelerator X-ray Machine |
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| CHEN Yang-sheng , ZENG Zi-li. Comparison of Measurement and Computed Value for Tissue Maximum Ratio of Accelerator X-ray Machine[J]. Chinese Medical Equipment Journal, 2012, 33(10): 106-107,148 |
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| Authors: | CHEN Yang-sheng ZENG Zi-li |
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| Affiliation: | 1.Department of Oncology,Liuzhou Municipal Tumor Hospital,Liuzhou 545007,Guangxi Province,China;2.Department of Oncology,Liuzhou Municipal Liutie Central Hospital,Liuzhou 545007,Guangxi Province,China) |
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| Abstract: | Objective To verify the accuracy of tissue maximum ratios（TMR）of the calculation.Methods The percentage depth doses（PDD） and TMR were measured by three-dimensional tanks,and the measurement values of TMR were compared with the calculation ones.Results The measurement values and the calculation ones of TMR were within the range of allowable error.Conclusion X-ray calculation values of TMR can be directly used for clinical dose calculation. |
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| Keywords: | radiotherapy tissue maximum ratio percentage depth dose |
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