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Updated: Mar 22, 2026
Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
Published on: December 18, 2016
MR imaging of skeletal muscle signal alterations: Systematic approach to evaluation
Yogesh Kumar1, Vibhor Wadhwa2, Lauren Phillips3
1Department of Radiology, Yale New Haven Health System at Bridgeport Hospital, CT, United States.
Abstract:
Muscle edema or edema-like signal alterations are commonly encountered findings in musculoskeletal magnetic resonance (MR) imaging. Although such signal alterations are very sensitive for detection of the underlying muscle pathology, these are often non-specific findings. Encompassing knowledge of their typical clinical presentations, characteristic appearances and patterns of muscle signal alterations and following a systematic approach towards their assessment, a reader can effectively narrow down the differential diagnosis. This article outlines the role of conventional imaging and advanced anatomic and functional musculoskeletal MR imaging techniques in the evaluation of various muscle disorders and presents a systematic approach towards their diagnosis and management.
Insights
Muscle edema on MRI can indicate pathology but is often non-specific. This review details how to systematically assess muscle signal alterations using conventional and advanced MRI techniques for accurate diagnosis.
Area of Science:
- Musculoskeletal Radiology
- Medical Imaging
- Muscle Pathology
Background:
- Muscle edema and edema-like signal alterations are frequent findings in musculoskeletal MRI.
- While sensitive to muscle pathology, these signal changes are often non-specific.
Purpose of the Study:
- To provide a systematic approach for evaluating muscle signal alterations in MRI.
- To outline the role of conventional and advanced MRI techniques in diagnosing muscle disorders.
Main Methods:
- Review of conventional MRI sequences for muscle evaluation.
- Discussion of advanced anatomic and functional MRI techniques.
- Systematic assessment framework for muscle signal alterations.
Main Results:
- Knowledge of clinical presentations and characteristic MRI patterns aids differential diagnosis.
- Advanced MRI techniques enhance the evaluation of various muscle disorders.
Conclusions:
- A systematic approach combining clinical information and characteristic MRI findings is crucial.
- Effective utilization of MRI techniques improves the diagnosis and management of muscle disorders.
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