RADIATION FIELD MODELING AND COMPUTERIZED TREATMENT PLANNING

计算辐射产生的吸收剂量分布的能力 光子束和电子束的最一般特征是 放射治疗的基础。医学影像技术的巨大进步 而在最近的过去，本地化技术带来了挑战 向物理学和计算机技术延伸的计算机化治疗 模拟(规划和优化)能力。我们的光子和 以前已经描述过电子束辐射场模型。一 这些模型的优点是它们需要的实验相对较少 数据，因此可以非常容易地实现。 我们的束流治疗计划程序在MacIntosh II上的实现 系统I仍在继续。目前，该系统正在分阶段投入临床使用 使用。一本内容丰富的手册包含了几个级别的用户指南 准备好了。一般的方法，特别是许多“工具”将是 直接适用于其他应用，包括克隆 抗体剂量测定和成像。 尤其是三维剂量计算非常耗时。一个 与DCRT一起启动了勘探项目，以探索潜力 将我们的MacIntosh II系统连接到大规模并行处理 系统来缓解这一方面。除了计算之外 挑战，该项目面临实时双向的问题 传输非常大量的数据。

The capability to calculate the distribution of absorbed dose produced by photon beams and electron beams to the most general characteristics is fundamental to radiotherapy. The vast improvement of the medical imaging and localization technology over the recent past has brought a challenge to physics and computer technology to extend the computerized treatment simulation (planning and optimization) capabilities. our photon and electron beam radiation field models have been described before. One virtue of these models is that they require relatively few experimental data and thus can be implemented very easily. The implementing of our beam treatment planning program on a MacIntosh II system i continuing. Currently, the system is phased-in for clinical use. An extensive manual with several levels of user guidance has been prepared. The general approach, in particular many "tools" will be directly applicable to other applications, including monoclonal antibodies dosimetry and imaging. 3-dimensional dose calculation in particular is very time consuming. An exploratory project has been initiated with DCRT to explore the potential of connecting our MacIntosh II system to a massive parallel processing system to alleviate this aspect. In addition to computational challenges, the project faces problems with the real-time 2-way transmission of very large amounts of data.