用于心脏成像的高性能固定SPECT系统的GATE模拟

2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD) Pub Date : 2016-10-01 DOI:10.1109/NSSMIC.2016.8069814

Dilber Uzun-Özşahin, L. Bläckberg, N. Moghadam, G. Fakhri, H. Sabet

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引用次数: 5

摘要

在这项工作中，我们报告了DC-SPECT的GATE模拟研究，这是一种为心脏成像应用而设计的身体轮廓系统。DC-SPECT的设计理念是基于心脏的多个同时视图，通过使用具有高内在探测器分辨率的激光处理CsI:Tl探测器模块实现。我们的理论和GATE仿真结果表明，在没有点扩散函数(PSF)建模或其他校正技术的情况下，我们可以获得~ 0.081%的系统灵敏度和~ 10.0 mm FWHM系统空间分辨率。derenzo样幻像的图像重建表明，DC-SPECT系统可以在不使用校正技术的情况下分辨直径小于10毫米的活动棒。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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GATE simulation of a high-performance stationary SPECT system for cardiac imaging

In this work we report on GATE simulation studies of DC-SPECT, a body contouring system designed for cardiac imaging applications. The design concept of the DC-SPECT is based on multiple simultaneous view of the heart enabled by the use of laser processed CsI:Tl detector modules with high intrinsic detector resolution. Our theoretical and GATE simulation results show that we can obtain ∼0.081% system sensitivity and ∼10.0 mm FWHM system spatial resolution without point spread function (PSF) modeling or other correction techniques. Image reconstruction of a Derenzo-like phantom suggest that the DC-SPECT system can resolve activity rods smaller than 10 mm diameter with no correction techniques applied.

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2016 IEEE Nuclear Science Symposium, Medical Imaging Conference and Room-Temperature Semiconductor Detector Workshop (NSS/MIC/RTSD)

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