K Masood1, T Zafar2, J Zafar3, H Zafar4
(1. Institute of Nuclear Medicine & Oncology (INMOL), Lahore 10068, Pakistan; 2. Department of Economics, Government College University, Lahore 54000, Pakistan; 3. Faculty of Engineering, Department of Electrical Engineering, Government College University, Lahore 54000, Pakistan;4. Tissue Optics & Microcirculation Imaging Research Group, National University of Ireland, Galway, Ireland)
Abstract： The dosimetric inter-comparison studies carry pertinent significance to ensure uniform radiation dose delivery for clinical trials. This paper investigates the comparative performance analysis of an X-ray high power linear accelerator performed by the International Dosimetry Survey Mission and Institute of Nuclear Medicine & Oncology (INMOL), Lahore. The measurements were made using cylindrical ionization chambers based on the International Atomic Energy Agency (IAEA) TRS-398 protocol for absorbed dose-to-water dosimetric standards, and the percentage deviation was found to be between 0.5%-1%. The dosimetric analysis concerning linear X-ray accelerator output performed by INMOL, Lahore was found to be in good agreement with the results of IAEA Dosimtery Survey Mission.
Key words： X-ray linear accelerator; dosimetric analysis; absorbed chamber; phantom
CLD number： R318.6 Document code： A
Article ID： 1674-8042(2014)03-0083-04 doi： 10.3969/j.issn.1674-8042.2014.03.016
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基于放射疗法剂量给药对比的X射线直线加速器输出特性评估
K Masood1, T Zafar2, J Zafar3, H Zafar4
(1. Institute of Nuclear Medicine & Oncology (INMOL), Lahore 10068, Pakistan; 2. Department of Economics, Government College University, Lahore 54000, Pakistan; 3. Faculty of Engineering, Department of Electrical Engineering, Government College University, Lahore 54000, Pakistan;4. Tissue Optics & Microcirculation Imaging Research Group, National University of Ireland, Galway, Ireland)
摘要:剂量对比研究对确保临床试验的统一辐射剂量给药具有相当重要的意义。 本文研究了拉合尔国际剂量学调查团以及核医学与肿瘤学协会(INMOL)所做的X射线高功率直线加速器的性能对比分析。 实验采用基于国际原子能机构(IAEA)关于吸收剂量-水剂量标准TRS-398协议的柱形电离室进行测量， 偏差百分比为0.5%-1%。 研究发现拉合尔INMOL关于直线加速器输出特性的实验结果与IAEA剂量调查团的研究结果一致。
关键词:X射线直线加速器； 剂量分析； 吸收室； 模体
引用格式：K Masood, T Zafar, J Zafar, et al. An experimental inter-comparison of radiotherapic dosimetric delivery to assess X-Ray linear accelerator output characteristics. Journal of Measurement Science and Instrumentation, 2014, 5(3): 83-86. [doi: 10.3969/j.issn.1674-8042.2014.03.016]
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