Department of Radiology, Stanford University School of Medicine, Stanford, CA, USA.
Department of Physics, Royal Institute of Technology, Stockholm, Sweden.
J Cardiovasc Comput Tomogr. 2021 May-Jun;15(3):218-225. doi: 10.1016/j.jcct.2020.12.005. Epub 2020 Dec 21.
Photon-counting computed tomography (PCCT) is an emerging technology promising to substantially improve cardiovascular imaging. Recent engineering and manufacturing advances by several vendors are expected to imminently launch this new technology into clinical reality. Photon-counting detectors (PCDs) have multiple potential advantages over conventional energy integrating detectors (EIDs) such as the absence of electronic noise, multi-energy capability, and increased spatial resolution. These developments will have different timescales for implementation and will affect different clinical scopes. We describe the technical aspects of PCCT, explain the current developments, and finally discuss potential advantages of PCCT in cardiovascular imaging.
光子计数计算机断层扫描（PCCT）是一种新兴的技术，有望极大地改善心血管成像。几家供应商的最新工程和制造进展预计将很快将这项新技术推向临床现实。光子计数探测器（PCD）与传统的能量积分探测器（EID）相比具有多个潜在优势，例如不存在电子噪声、多能量能力和提高的空间分辨率。这些发展将有不同的实施时间表，并将影响不同的临床范围。我们描述了 PCCT 的技术方面，解释了当前的发展，并最终讨论了 PCCT 在心血管成像中的潜在优势。
