Dual-energy computed tomography: what is it useful for?

被引：6
|
作者：
Delgado Sanchez-Gracian, C. [1 ]
Martinez Rodriguez, C. [1 ]
Trinidad Lopez, C. [1 ]
机构：
[1] Hosp POVISA, Serv Radiodiagnost, Vigo, Pontevedra, Spain
来源：
RADIOLOGIA | 2013年 / 55卷 / 04期
关键词：
X-rays; Dual energy; Computed tomography;
D O I：
10.1016/j.rx.2012.03.009
中图分类号：
R8 [特种医学]; R445 [影像诊断学];
学科分类号：
1002 ; 100207 ; 1009 ;
摘要：
Dual-energy CT is one of the newest and most attractive fields in radiology today. New generation scanners can acquire datasets with different X-ray spectra, which facilitates the characterization of certain chemical elements, making it possible to detect functional alterations in the absence of morphologic or densitometric anomalies. The capability of characterizing these elements is enabling new applications to be developed for clinical practice and changing the way we work. The aim of this article is to explain what dual-energy CT studies are, the techniques available for performing them, the advantages and disadvantages of these studies, and what we might expect from this field in the future. (C) 2011 SERAM. Published by Elsevier Espana, S.L. All rights reserved.
引用
收藏
页码：346 / 352
页数：7
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