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医科达precise plan治疗计划系统使用技巧的探讨

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摘要 放射治疗通常是根据患者的肿瘤分布情况,结合肿瘤具体的临床表现,放疗医生在CT定位片图像勾画出靶区,给出靶剂量与周围正常组织特别是危及器官的最大允许剂量等,由物理师借助计划系统(TPS)进行治疗计划设计。简单的说治疗计划系统是一个代替人工剂量计算的剂量计算器。它利用计算机把直线加速器的机器参数和剂量参数进行数学建模,模拟计算得到实际所需要的剂量分布。治疗计划的好坏对患者的治疗效果起着至关重要的作用。如何才能设计出既满足靶区剂量分布要求,又使正常器官的受照射量尽可能小,医科达preciseplan治疗计划系统为我们提供了几种非常方便的工具。
出处 《承德医学院学报》 2011年第2期177-178,共2页 Journal of Chengde Medical University
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