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Whole-body magnetic resonance imaging evaluation of facioscapulohumeral muscular dystrophy.


ABSTRACT:

Introduction

Facioscapulohumeral muscular dystrophy (FSHD) is a hereditary disorder that causes progressive muscle wasting. Increasing knowledge of the pathophysiology of FSHD has stimulated interest in developing biomarkers of disease severity.

Methods

Two groups of MRI scans were analyzed: whole-body scans from 13 subjects with FSHD; and upper and lower extremity scans from 34 subjects with FSHD who participated in the MYO-029 clinical trial. Muscles were scored for fat infiltration and edema-like changes. Fat infiltration scores were compared with muscle strength and function.

Results

The analysis revealed a distinctive pattern of both frequent muscle involvement and frequent sparing in FSHD. Averaged fat infiltration scores for muscle groups in the legs correlated with quantitative muscle strength and 10-meter walk times.

Conclusions

Advances in MRI technology allow for acquisition of rapid, high-quality, whole-body imaging in diffuse muscle disease. This technique offers a promising disease biomarker in FSHD and other muscle diseases.

SUBMITTER: Leung DG 

PROVIDER: S-EPMC4504833 | biostudies-literature | 2015 Oct

REPOSITORIES: biostudies-literature

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Whole-body magnetic resonance imaging evaluation of facioscapulohumeral muscular dystrophy.

Leung Doris G DG   Carrino John A JA   Wagner Kathryn R KR   Jacobs Michael A MA  

Muscle & nerve 20150331 4


<h4>Introduction</h4>Facioscapulohumeral muscular dystrophy (FSHD) is a hereditary disorder that causes progressive muscle wasting. Increasing knowledge of the pathophysiology of FSHD has stimulated interest in developing biomarkers of disease severity.<h4>Methods</h4>Two groups of MRI scans were analyzed: whole-body scans from 13 subjects with FSHD; and upper and lower extremity scans from 34 subjects with FSHD who participated in the MYO-029 clinical trial. Muscles were scored for fat infiltra  ...[more]

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2018-12-01 | GSE101908 | GEO