Volume CT of anthropomorphic phantoms using a radiation therapy simulator

机译：使用放射治疗模拟器模拟拟人体模

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Abstract: We interface a Toshiba LX-40A radiation therapy simulator with a custom designed data acquisition system and a 386-PC. The LX-40A includes a 14 inch (35.6 cm) x-ray image intensifier and a 1 inch saticon camera. Two-dimensional cone beam projections of an anthropomorphic chest/lung phantom are collected. The Feldkamp algorithm reconstructs the volume data set into a volume image of the phantom. We discuss several volume computed tomography issues including spatial distortions in the x-ray image intensifier, scatter, and veiling glare. We compare the volume computed tomography results with two-dimensional CT imaging of the same phantom scanned on the equipment. !26

机译：摘要：我们将东芝LX-40A放射治疗模拟器与定制设计的数据采集系统和386-PC连接。 LX-40A包括14英寸（35.6厘米）X射线图像增强器和1英寸saticon相机。收集拟人化胸部/肺部幻影的二维锥束投影。 Feldkamp算法将体积数据集重建为体模的体积图像。我们讨论了几个体积计算机断层扫描问题，包括X射线图像增强器中的空间畸变，散射和遮盖眩光。我们将体积计算机断层扫描结果与在设备上扫描的相同体模的二维CT成像进行比较。！26

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来源
《Medical Imaging VI: Instrumentation》|1992年|p.197-211|共15页
会议地点 Newport CA(US)
作者
Michael D. Silver; Bio-Imaging Research; Inc.; Lincolnshire; IL; USA; Mitsuru Yahata; Toshiba Corp.; Tochigi-ken; Japan; Yasuo Saito; Toshiba Corp.; Tochigi-ken; Japan; E.A. Sivers; Bio-Imaging Research; Inc.; Lake Oswego; OR; USA; S.R. Huang; Bio-Imaging;
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3. Respiratory motion-management in stereotactic body radiation therapy for lung cancer - A dosimetric comparison in an anthropomorphic lung phantom (LuCa) [J] . Ehrbar Stefanie, Perrin Rosalind, Peroni Marta, Radiotherapy and oncology: Journal of the European Society for Therapeutic Radiology and Oncology . 2016,第2期

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4. Volume CT of anthropomorphic phantoms using a radiation therapy simulator [C] . Michael D. Silver, Mitsuru Yahata, Yasuo Saito, Conference on medical imaging . 1992

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Volume CT of anthropomorphic phantoms using a radiation therapy simulator

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