光子计数CT：技术原理、临床应用及未来展望。
Photon Counting CT: Technical Principles, Clinical Applications, and Future Prospects.
作者信息
Wu Yingyi, Ye Zheng, Chen Jie, Deng Liping, Song Bin
机构信息
Department of Radiology, West China Hospital, Sichuan University, No. 37 Guoxue Alley, Chengdu 610041, China (Y.Y.W., Z.Y., J.C., L.P.D., B.S.).
Department of Radiology, West China Hospital, Sichuan University, No. 37 Guoxue Alley, Chengdu 610041, China (Y.Y.W., Z.Y., J.C., L.P.D., B.S.); Department of Radiology, Sanya People' s Hospital, Sanya, Hainan, China (B.S.).
出版信息
Acad Radiol. 2023 Oct;30(10):2362-2382. doi: 10.1016/j.acra.2023.05.029. Epub 2023 Jun 25.
Photon-counting computed tomography (PCCT) is a new technique that utilizes photon-counting detectors to convert individual X-ray photons directly into an electrical signal, which can achieve higher spatial resolution, improved iodine signal, radiation dose reduction, artifact reduction, and multienergy imaging. This review introduces the technical principles of PCCT, and summarizes its first-in-human experience and current applications in clinical settings, and discusses the future prospects of PCCT.
光子计数计算机断层扫描（PCCT）是一种新技术，它利用光子计数探测器将单个X射线光子直接转换为电信号，可实现更高的空间分辨率、改善碘信号、降低辐射剂量、减少伪影以及多能量成像。本文综述介绍了PCCT的技术原理，总结了其首次人体应用经验和当前在临床环境中的应用，并探讨了PCCT的未来前景。
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