Development of a Head Scanner for Proton CT.

Development of a Head Scanner for Proton CT.
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DOI:
10.1016/j.nima.2012.04.029
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发表时间:
2013-01-21
期刊:
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment
影响因子:
--
通讯作者:
Schulte R
Schulte R
中科院分区:
其他
文献类型:
--
作者:
Sadrozinski HF;Johnson RP;Macafee S;Plumb A;Steinberg D;Zatserklyaniy A;Hurley VB;Schulte R

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我们描述了一种为质子计算机断层扫描(pCT)开发的新的头部扫描仪,以支持质子治疗计划,旨在重建阻止本领(S. P.)的准确地图。在幻影中,在未来,在病人中。该系统由两个硅望远镜和一个能量探测器组成,硅望远镜在体模/患者前后跟踪质子,能量探测器测量质子的剩余能量或范围,以重建体模中的水等效路径长度(WEPL)。基于现有原型的经验和广泛的Geant 4模拟和CT重建,新的pCT扫描仪将支持临床有用的质子通量。
We describe a new head scanner developed for Proton Computed Tomography (pCT) in support of proton therapy treatment planning, aiming at reconstructing an accurate map of the stopping power (S.P.) in a phantom and, in the future, in patients. The system consists of two silicon telescopes which track the proton before and after the phantom/patient, and an energy detector which measures the residual energy or range of the proton to reconstruct the Water Equivalent Path Length (WEPL) in the phantom. Based on the experience of the existing prototype and extensive Geant4 simulations and CT reconstructions, the new pCT scanner will support clinically useful proton fluxes.
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