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Computed Tomography and Magnetic Resonance Correlation and Agreement for Foot Muscle and Adipose Tissue Measurements

Computed Tomography and Magnetic Resonance Correlation and Agreement for Foot Muscle and Adipose... Background Volumetric measures of intrinsic foot muscle and intermuscular adipose tissue (IMAT) infiltration are important in understanding foot injury and disease. We questioned whether measures of muscle and fat derived from computed tomography (CT) and magnetic resonance (MR) would be comparable. Methods This study determined the correlation and level of agreement between CT and MR measurements of foot muscle and IMAT from 32 subjects with diabetes and peripheral neuropathy. Volumetric CT and DIXON 3T MR scans were obtained. Intermuscular adipose tissue and muscle volumes used to create the IMAT to muscle ratio were obtained by segmenting the forefoot muscle compartment from each modality. Results Computed tomography IMAT ratios were significantly correlated (r = 0.85, P < 0.0001) with MR IMAT ratios. Computed tomography and MR IMAT ratio mean difference between CT and MR was small (0.044 unit, Bland-Altman plots). Conclusions The CT and MR IMAT ratio measurements were highly correlated, indicating both modalities represent tissue quantification similarly. Level of Evidence: 2 Technical Efficacy: 1 http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Computer Assisted Tomography Wolters Kluwer Health

Computed Tomography and Magnetic Resonance Correlation and Agreement for Foot Muscle and Adipose Tissue Measurements

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References (27)

Publisher
Wolters Kluwer Health
Copyright
Copyright © 2022 Wolters Kluwer Health, Inc. All rights reserved.
ISSN
0363-8715
eISSN
1532-3145
DOI
10.1097/rct.0000000000001275
Publisher site
See Article on Publisher Site

Abstract

Background Volumetric measures of intrinsic foot muscle and intermuscular adipose tissue (IMAT) infiltration are important in understanding foot injury and disease. We questioned whether measures of muscle and fat derived from computed tomography (CT) and magnetic resonance (MR) would be comparable. Methods This study determined the correlation and level of agreement between CT and MR measurements of foot muscle and IMAT from 32 subjects with diabetes and peripheral neuropathy. Volumetric CT and DIXON 3T MR scans were obtained. Intermuscular adipose tissue and muscle volumes used to create the IMAT to muscle ratio were obtained by segmenting the forefoot muscle compartment from each modality. Results Computed tomography IMAT ratios were significantly correlated (r = 0.85, P < 0.0001) with MR IMAT ratios. Computed tomography and MR IMAT ratio mean difference between CT and MR was small (0.044 unit, Bland-Altman plots). Conclusions The CT and MR IMAT ratio measurements were highly correlated, indicating both modalities represent tissue quantification similarly. Level of Evidence: 2 Technical Efficacy: 1

Journal

Journal of Computer Assisted TomographyWolters Kluwer Health

Published: Mar 1, 2022

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