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Deltoid contracture: MR imaging features
K Ogawa1, M Takahashi, T Naniwa
1Department of Orthopaedic Surgery, School of Medicine, Keio University, 35 Shinanomachi, Shinjuku, Tokyo, 160-8582, Japan.
Clinical Radiology
|February 27, 2001
Summary
Magnetic resonance imaging (MRI) effectively visualizes the intramuscular fibrous bands characteristic of deltoid contracture. This imaging modality aids in accurate diagnosis and surgical planning for this condition.
Area of Science:
- Orthopedic Surgery
- Radiology
- Musculoskeletal Imaging
Background:
- Deltoid contracture is a condition affecting shoulder function.
- Accurate diagnosis is crucial for effective treatment planning.
Purpose of the Study:
- To detail the magnetic resonance imaging (MRI) features of deltoid contracture.
- To compare MRI findings with operative and histological results.
- To assess MRI's utility in diagnosing and planning treatment for deltoid contracture.
Main Methods:
- Retrospective review of six patients with deltoid contracture.
- Analysis of clinical and imaging data.
- Comparison with operative and histological findings in four patients.
Main Results:
- MRI clearly depicted intramuscular fibrous bands in deltoid contracture.
- These bands appeared as homogeneously hypointense areas with distinct margins on T1-, T2-, and T2*-weighted images.
- Operative findings correlated precisely with MRI observations.
Conclusions:
- MRI is the optimal imaging technique for evaluating deltoid contracture.
- MRI visualization of intramuscular fibrous bands is pathognomonic.
- MRI findings provide valuable information for treatment planning.