MR Imaging of the Upper Limb: Pitfalls, Tricks, and Tips
Federico Bruno1, Francesco Arrigoni1, Raffaele Natella2
1Department of Biotechnological and Applied Clinical Sciences, University of L'Aquila, via Vetoio 1, L'Aquila 67100, Italy.
Radiologic Clinics of North America
|July 29, 2019
Summary
Magnetic Resonance (MR) imaging is crucial for upper limb musculoskeletal conditions. This review addresses common diagnostic pitfalls and artifacts in shoulder, elbow, and wrist MR imaging to ensure accurate diagnoses.
Area of Science:
- Radiology
- Musculoskeletal Imaging
- Diagnostic Imaging
Background:
- Magnetic Resonance (MR) imaging is the preferred method for evaluating upper limb musculoskeletal pathologies.
- Complex upper limb anatomy can lead to misinterpretations and diagnostic errors in MR imaging.
- Artifacts on MR scans can be mistaken for genuine pathological findings.
Purpose of the Study:
- To review common diagnostic pitfalls in shoulder, elbow, and wrist MR imaging.
- To identify conditions that mimic true pathology on MR scans.
- To provide practical tips for resolving equivocal cases and achieving accurate diagnoses.
Main Methods:
- Review of frequently encountered conditions in shoulder, elbow, and wrist MR imaging.
- Analysis of diagnostic pitfalls and artifacts.
- Discussion of strategies to overcome interpretation challenges.
Main Results:
- Identification of specific MR imaging findings that can be mistaken for pathology.
- Explanation of how anatomical complexity and artifacts contribute to misdiagnosis.
- Presentation of techniques to differentiate true pathology from imaging artifacts and normal variants.
Conclusions:
- Awareness of common pitfalls and artifacts is essential for accurate MR interpretation of the upper limb.
- Systematic review and application of diagnostic tips can improve diagnostic confidence.
- Correctly identifying and resolving equivocal MR imaging findings is key to appropriate patient management.
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