双能量CT的基本原理与研究进展

Basic principle of dual-energy CT and its research advance

双能量CT(DECT)作为近几年影像学领域比较热门的一个研究方向,弥补了常规CT在疾病诊断中的部分不足,为疾病诊断、分期及治疗提供了更多影像学依据。本文概述DECT的基本原理、实现途径及近期研究进展,介绍DECT在临床应用中存在的不足,并展望其未来的发展方向。

Dual-energy CT(DECT),as a hot research direction in the field of imaging in recent years,makes up for some shortcomings of conventional CT in disease diagnosis,and provides more imaging bases for disease diagnosis,staging and treatment.Herein the basic principle,implementation approaches and recent research advance of DECT are summarized,and the shortcomings of DECT in clinical application are introduced briefly,and finally,the development direction of DECT in the future is discussed.