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Investigation of noninvasive detector system for quantitative O-15 water blood flow studies in PET imaging

机译:宠物成像的定量O-15水血流研究的非侵入性探测系统的研究

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The investigation of human cerebral function has been one of the most challenging subjects in the last century. Imaging studies that use positron emission tomography (PET) with [O-15] water have been central for the assessment of neurophysiological activity. Accurate and quantitative estimation of regional cerebral blood flow (rCBF) for mapping of brain function requires measurement of the post-injection arterial time course of [O-15] water. The overall purpose of this work is to design and build a small inexpensive tomograph that can be placed around a subject's neck or wrist to noninvasively measure the arterial radioactivity input function. Monte Carlo simulations and experimental investigations have been performed to assist in defining the design characteristics of the detectors to be used for this system.
机译:对人类脑职能的调查是上世纪最具挑战性的科目之一。使用正电子发射断层扫描(PET)与[O-15]水的成像研究一直是评估神经生理活性的核心。用于测定脑功能的区域脑血流(RCBF)的准确和定量估计需要测量[O-15]水的注射后动脉时间过程。这项工作的整体目的是设计和构建一个小型廉价的断层镜,可以放置在受试者的颈部或手腕周围,以便无侵入地测量动脉放射性输入功能。已经进行了蒙特卡罗模拟和实验研究,以帮助定义用于该系统的探测器的设计特性。

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