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Clinical Applications of Dual-Energy CT.


ABSTRACT: Dual-energy CT (DECT) provides insights into the material properties of tissues and can differentiate between tissues with similar attenuation on conventional single-energy imaging. In the conventional CT scanner, differences in the X-ray attenuation between adjacent structures are dependent on the atomic number of the materials involved, whereas in DECT, the difference in the attenuation is dependent on both the atomic number and electron density. The basic principle of DECT is to obtain two datasets with different X-ray energy levels from the same anatomic region and material decomposition based on attenuation differences at different energy levels. In this article, we discuss the clinical applications of DECT and its potential robust improvements in performance and postprocessing capabilities.

SUBMITTER: Hamid S 

PROVIDER: S-EPMC8154785 | biostudies-literature | 2021 Jun

REPOSITORIES: biostudies-literature

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Clinical Applications of Dual-Energy CT.

Hamid Saira S   Nasir Muhammad Umer MU   So Aaron A   Andrews Gordon G   Nicolaou Savvas S   Qamar Sadia Raheez SR  

Korean journal of radiology 20210401 6


Dual-energy CT (DECT) provides insights into the material properties of tissues and can differentiate between tissues with similar attenuation on conventional single-energy imaging. In the conventional CT scanner, differences in the X-ray attenuation between adjacent structures are dependent on the atomic number of the materials involved, whereas in DECT, the difference in the attenuation is dependent on both the atomic number and electron density. The basic principle of DECT is to obtain two da  ...[more]

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