光子计数探测器CT在骨肌系统疾病中的研究进展  

Progress of photon counting detector computed tomography in musculoskeletal system diseases

作　　者：孙振业 王植 孟祥虹 SUN Zhenye;WANG Zhi;MENG Xianghong(Department of Radiology,Tianjin Hospital,Tianjin University,Tianjin 300211,China)

机构地区：[1]天津大学天津医院放射科,天津300211

出　　处：《国际医学放射学杂志》2023年第3期313-316,共4页International Journal of Medical Radiology

摘　　要：光子计数探测器(PCD)-CT可以直接进行单光子成像,兼有常规CT检查的功能,具有物质分析准确、扫描剂量低、影像质量高的优势,对减少影像金属伪影、骨肌系统疾病分级等具有重要价值。综述PCD-CT的基本原理,及其在骨关节炎分析、骨肿瘤定量诊断、儿童骨肌低剂量扫描、骨骼微结构显示及骨关节假体评估中的应用进展。Photon counting detector(PCD)computed tomography(CT)can directly perform single-photon imaging,and also has the function of conventional CT examination.It takes the advantages of accurate substance analysis,low scanning dose and high image quality,which is of important value for reducing image metal artifacts,disease grading of musculoskeletal system.This article reviews the basic principle of PCD-CT,and its application progress in the analysis of osteoarthritis,quantitative diagnosis of bone tumor,low-dose scanning of pediatric musculoskeletal system,display of bone microstructure and evaluation of bone and joint prosthesis.

关 键 词：光子计数探测器 能量积分探测器 体层摄影术 X线计算机 骨肌系统 

分 类 号：R68[医药卫生—骨科学] R814.42[医药卫生—外科学] R816.8[医药卫生—临床医学]