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Material decomposition with dual- and multi-energy computed tomography

Published online by Cambridge University Press:  25 November 2020

Rajesh Bhayana Open the ORCID record for Rajesh Bhayana [Opens in a new window] ,
Anushri Parakh  and
Avinash Kambadakone
Rajesh Bhayana*
Affiliation:
Division of Abdominal Imaging, Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
Anushri Parakh
Affiliation:
Division of Abdominal Imaging, Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
Avinash Kambadakone
Affiliation:
Division of Abdominal Imaging, Department of Radiology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA
*
Address all correspondence to Rajesh Bhayana at rajesh.bhayana@uhn.ca
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Abstract

Conventional computed tomography (CT) remains the workhorse of cross-sectional medical imaging. But dual- and multi-energy CT allows for more specific material decomposition, enabling distinct advantages in the clinical setting. In this review, we describe the basic principles behind material decomposition in dual- and multi-energy CT, outline the techniques used to acquire images, and explore how enhanced material decomposition leads to improved patient care. We also explore areas of active research and future directions, including photon-counting CT, that have the potential to revolutionize CT in clinical use.

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Prospective Articles
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MRS Communications , Volume 10 , Issue 4 , December 2020 , pp. 558 - 565
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Copyright © The Author(s), 2020, published on behalf of Materials Research Society by Cambridge University Press

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