An open-source platform for interactive collision prevention in photon and particle beam therapy treatment planning
An open-source platform for interactive collision prevention in photon and particle beam therapy treatment planning
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DOI：
10.1088/2057-1976/aba442
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发表时间：
2020-09-01
影响因子：
1.4
通讯作者：
Remillard，K.
中科院分区：
文献类型：
--
作者：
Hueso-Gonzalez，F.;Wohlfahrt，P.;Remillard，K.
我们提出了一个开源平台，以帮助医疗剂量师在光子或粒子束治疗计划期间防止机架头与患者或治疗床之间的碰撞。该通用框架使用特定规划软件的本地脚本接口来导入治疗机元件的STL文件。这些与轮廓或扫描的患者表面一起在3D中可视化。带有滑块的图形对话框允许机架和治疗床的交互式旋转，并提供实时反馈。为了防止将来重新规划，治疗规划者可以提前评估并排除导致潜在碰撞风险的射束角度。该软件平台在GitHub上公开提供，并已通过实际患者计划验证RayStation。此外，采用手持式智能手机对全身体模进行3D表面扫描，对完整患者几何结构的合并进行测试。通过这项研究，我们的目标是最大限度地减少因碰撞而重新规划的风险，从而减少治疗延迟和不定期的人力消耗。临床工作流程可以在治疗计划阶段就已实现免费简化。通过确保计划可行性的实时验证，脚本可能会促进计划者可能会回避的最佳沙发角度的使用。
We present an open-source platform to aid medical dosimetrists in preventing collisions between gantry head and patient or couch during photon or particle beam therapy treatment planning. This generic framework uses the native scripting interface of the particular planning software to import STL files of the treatment machine elements. These are visualized in 3D together with the contoured or scanned patient surface. A graphical dialog with sliders allows the interactive rotation of the gantry and couch, with real-time feedback. To prevent a future replanning, treatment planners can assess in advance and exclude beam angles resulting in a potential risk of collision. The software platform is publicly available on GitHub and has been validated for RayStation with actual patient plans. Furthermore, the incorporation of the complete patient geometry was tested with a 3D surface scan of a full-body phantom performed with a handheld smartphone. With this study, we aim at minimizing the risk of replanning due to collisions and thus of treatment delays and unscheduled consumption of manpower. The clinical workflow can be streamlined at no cost already at the treatment planning stage. By ensuring a real-time verification of the plan feasibility, the script might boost the use of optimal couch angles that a planner might shy away from otherwise.