3D Imaging with Flat-Detector C-Arm Systems

3D Imaging with Flat-Detector C-Arm Systems
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使用平面探测器 C 臂系统进行 3D 成像

DOI:
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发表时间:
2009
期刊:
影响因子:
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通讯作者:
K. Klingenbeck
K. Klingenbeck
中科院分区:
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文献类型:
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作者:
N. Strobel;O. Meissner;J. Boese;T. Brunner;B. Heigl;M. Hoheisel;G. Lauritsch;M. Nagel;M. Pfister;Ernst;B. Scholz;B. Schreiber;M. Spahn;M. Zellerhoff;K. Klingenbeck

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三维(3D)C臂计算机断层成像是一种新的、创新的成像技术。它使用平板探测器C臂血管造影术系统获取的二维(2D)X射线投影来生成类似CT的图像。为此,C形臂系统在患者周围执行扫描,获得多达数百个2D视图。它们作为3D锥束重建的输入。所得到的体素数据集可以被可视化为横截面图像或使用不同的体绘制技术来可视化为3D数据集。3D C臂成像最初针对3D高对比度神经血管应用,多年来一直在不断改进,现在能够提供类似CT的软组织图像质量。结合2D透视或放射成像,3D C臂成像提供的信息对于介入治疗中的所有治疗计划、指导和结果评估都是有价值的。
Three-dimensional (3D) C-arm computed tomography is a new and innovative imaging technique. It uses two-dimensional (2D) X-ray projections acquired with a flat-panel detector C-arm angiography system to generate CT-like images. To this end, the C-arm system performs a sweep around the patient, acquiring up to several hundred 2D views. They serve as input for 3D cone-beam reconstruction. Resulting voxel data sets can be visualized either as cross-sectional images or as 3D data sets using different volume rendering techniques. Initially targeted at 3D high-contrast neurovascular applications, 3D C-arm imaging has been continuously improved over the years and is now capable of providing CT-like soft-tissue image quality. In combination with 2D fluoroscopic or radiographic imaging, information provided by 3D C-arm imaging can be valuable for therapy planning, guidance, and outcome assessment all in the interventional suite.
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