BENCHMARK MEASUREMENTS FOR LUNG DOSE CORRECTIONS FOR X-RAY-BEAMS
BENCHMARK MEASUREMENTS FOR LUNG DOSE CORRECTIONS FOR X-RAY-BEAMS
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DOI：
10.1016/s0360-3016(98)90022-0
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发表时间：
1988-08-01
影响因子：
7
通讯作者：
CHIN, LM
中科院分区：
文献类型：
--
作者：
RICE, RK;MIJNHEER, BJ;CHIN, LM
提供了一套定义良好的临床相关参考测量，用于在有肺存在的情况下计算光子剂量。这些基准数据主要是在低密度(.Rho)中获得的。=0.31GCM-3)肺状材料以及用于4和15 mV X射线束的水状塑料。对密度为0.015和0.18gcm-3的材料进行了一些额外的测量。幻影几何包括简单分层几何、有限肺横截面几何、模拟纵隔几何和模拟肺部肿瘤几何。报告的数据为中轴线深度剂量。许多参数是不同的，包括视野大小、肺几何形状以及肺内和肺后的距离。
A well defined set of clinically relevant reference measurements for photon dose calculations in the presence of the lung have been provided. These benchmark data were mainly obtained in low-density (.rho. = 0.31 gcm-3) lunglike material as well as in waterlike plastic for 4 and 15 MV X-ray beams. Some additional measurements were performed with materials having a density of 0.015 gcm-3 and 0.18 gcm-3. Phantom geometries included simple layered geometries, finite lung cross section geometries, simulated mediastinum geometries, and simulated tumor in lung geometries. The data reported as central axis depth doses. A number parameters were varied, including the field size, the lung geometry, and the distance in and behind the lung.