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Review
. 2016 Dec;281(3):690-707.
doi: 10.1148/radiol.2016151109.

Dual-Energy CT for the Musculoskeletal System

Paul I Mallinson  1 , Tyler M Coupal  1 , Patrick D McLaughlin  1 , Savvas Nicolaou  1 , Peter L Munk  1 , Hugue A Ouellette  1
Affiliations
Review

Dual-Energy CT for the Musculoskeletal System

Paul I Mallinson et al. Radiology. 2016 Dec.

Abstract

The principal advantages of dual-energy computed tomography (CT) over conventional CT in the musculoskeletal setting relate to the additional information provided regarding tissue composition, artifact reduction, and image optimization. This article discusses the manifestations of these in clinical practice-urate and bone marrow edema detection, metal artifact reduction, and tendon analysis, with potential in arthrography, bone densitometry, and metastases surveillance. The basic principles of dual-energy CT physics and scanner design will also be discussed. © RSNA, 2016.

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