双能量CT电子密度和有效原子序数测量的研究进展  

Advances in Measurements of Electron Density and Effective Atomic Number Using Dual-energy Computed Tomography

作　　者：鲁新亮 刘云福[1] 张永县[1] 刘丹丹[1] 牛延涛[1] LU Xinliang;LIU Yunfu;ZHANG Yongxian;LIU Dandan;NIU Yantao(Department of Radiology,Beijing Tongren Hospital,Capital Medical University,Beijing 100730,China)

机构地区：[1]首都医科大学附属北京同仁医院放射科,北京100730

出　　处：《CT理论与应用研究（中英文）》2024年第6期740-746,共7页Computerized Tomography Theory and Applications

摘　　要：在双能量CT多参数功能分析中,电子密度和有效原子序数的精确测量是实现精准影像诊断和辐射剂量估算的基础。本文综述不同双能量成像模式CT在测量电子密度和有效原子序数准确性方面的研究进展,旨在为影像诊断和治疗计划的研究和临床应用提供参考。Accurate measurements of electron density and effective atomic number are essential for precise imaging diagnosis and dose estimation in the multiparametric functional analysis of dual-energy computed tomography(CT).This paper provides a review of research progress pertaining to different dual-energy imaging modalities of CT for measuring electron density and effective atomic number accurately.Its aim is to offer a reference for improving the accuracy of imaging diagnosis and treatment planning.

关 键 词：双能量CT 电子密度 有效原子序数 模体 

分 类 号：R814.42[医药卫生—影像医学与核医学]