双能计算机断层扫描：物理原理、扫描方法、用途及实施：第1部分。
Dual-Energy Computed Tomography: Physical Principles, Approaches to Scanning, Usage, and Implementation: Part 1.
作者信息
Forghani Reza, De Man Bruno, Gupta Rajiv
机构信息
Department of Radiology, Segal Cancer Centre and Lady Davis Institute for Medical Research, Jewish General Hospital, McGill University, Room C-212.1, 3755 Cote Ste-Catherine Road, Montreal, Quebec H3T 1E2, Canada.
GE Global Research, One Research Circle, KWC1300B, Niskayuna, NY 12309, USA.
出版信息
Neuroimaging Clin N Am. 2017 Aug;27(3):371-384. doi: 10.1016/j.nic.2017.03.002.
There are increasing applications of dual-energy computed tomography (CT), a type of spectral CT, in neuroradiology and head and neck imaging. In this 2-part review, the fundamental principles underlying spectral CT scanning and the major considerations in implementing this type of scanning in clinical practice are reviewed. In the first part of this 2-part review, the physical principles underlying spectral CT scanning are reviewed, followed by an overview of the different approaches for spectral CT scanning, including a discussion of the strengths and challenges encountered with each approach.
双能计算机断层扫描（CT）作为一种光谱CT，在神经放射学以及头颈部成像中的应用日益增多。在这篇分两部分的综述中，我们回顾了光谱CT扫描的基本原理以及在临床实践中实施此类扫描的主要注意事项。在这篇分两部分的综述的第一部分中，我们回顾了光谱CT扫描的物理原理，随后概述了光谱CT扫描的不同方法，包括对每种方法的优势和遇到的挑战的讨论。
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