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Stereotactic multibeam radiation therapy system in a PACS environment

机译：PACS环境中的立体定向多束辐射治疗系统

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A Multibeam radiation therapy treatment is a non-invasive technique devoted to treat a lesion within the cerebral medium by focusing photon-beams on the same target from a high number of entrance points. We present here a computer assisted dosimetric planning procedure which includes: (1) an analysis module to define the target volume by using 2D and 3D displays, (2) a planing module to issue a treatment strategy including the dosimetric simulations and (3) a treatment module setting up the parameters to order the robotized treatment system (i.e. chair- framework, radiation unit machine). Another important feature of this system is its connection to the PACS system SIRENE settled in the University hospital of Rennes which makes possible the archiving and the communication of the multimodal images (CT, MRI, Angiography) used by this application. The corporate use of stereotactic methods and the multimodality imagery ensures spatial coherence and makes the target definition and the cognition of the structures environment more accurate. The dosimetric planning suited to the spatial reference (i.e. the stereotactic frame) guarantees an optimal distribution of the dose computed by an original 3D volumetric algorithm. The robotic approach of the treatment stage has consisted to design a computer driven chair-framework cluster to position the target volume at the radiation unit isocenter.
机译：多束放射治疗治疗是一种非侵入性技术，其致力于通过从大量入射点聚焦在同一目标上的光子梁在脑培养基中治疗病变。我们在这里介绍一台计算机辅助的剂量规划程序，包括：（1）通过使用2D和3D显示器来定义目标体积的分析模块，（2）刨模块，用于发出包括剂量测定模拟的治疗策略和（3）a处理模块设置参数以订购机器化处理系统（即椅架，辐射单元机）。该系统的另一个重要特征是其与PACS系统Sirene在雷恩大学院位定居的联系，该应用程序可以归档和通信本申请使用的多模式图像（CT，MRI，血管造影）。公司使用立体定向方法和多模图像确保空间相干性，并使目标定义和结构环境的认知更准确。适用于空间参考的剂量测定（即立体定向框架）保证了由原始3D体积算法计算的剂量的最佳分布。治疗阶段的机器人方法组成用于设计计算机驱动的椅子框架集群，以将目标体积定位在辐射单元等中心。

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