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

Paul K. Commean, Michael J. Mueller, Ling Chen, Mary A. Wolfsberger, Mary K. Hastings

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

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.

Original languageEnglish
Pages (from-to)212-218
Number of pages7
JournalJournal of computer assisted tomography
Volume46
Issue number2
DOIs
StatePublished - Mar 1 2022

Keywords

  • computed tomography
  • diabetes mellitus
  • foot
  • magnetic resonance imaging
  • peripheral neuropathy, intermuscular adipose tissue

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