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The diabetic foot: magnetic resonance imaging evaluation
J Beltran1, D S Campanini, C Knight
1Department of Radiology, Ohio State University Hospitals, Columbus 43210.
Skeletal Radiology
|January 1, 1990
Summary
Magnetic resonance imaging (MRI) effectively evaluates diabetic foot infections and neuroarthropathy. This imaging technique accurately assesses infection extent and distinguishes it from Charcot Joint changes.
Area of Science:
- Radiology
- Diabetology
- Orthopedics
Background:
- Diabetic foot complications, including infection and Charcot Joint neuroarthropathy, pose significant diagnostic challenges.
- Accurate assessment of infection extent is crucial for effective treatment and limb salvage in diabetic patients.
Purpose of the Study:
- To evaluate the utility of magnetic resonance imaging (MRI) in assessing diabetic foot infections and differentiating them from neuroarthropathy.
- To determine the accuracy of MRI in diagnosing osteomyelitis, abscess, neuropathic joint, septic arthritis, and tenosynovitis in the diabetic foot.
Main Methods:
- Retrospective analysis of MRI scans from fourteen diabetic patients with suspected foot infection or Charcot Joint.
- Correlation of MRI findings with clinical, surgical, and pathological confirmations.
Main Results:
- MRI identified multiple sites of involvement in most infected patients.
- Diagnoses included osteomyelitis (8), abscess (7), neuropathic joint (5), septic arthritis (4), and tenosynovitis (4).
- A distinctive MRI pattern for neuroarthropathy (low signal intensity on T1/T2-weighted images) was observed.
Conclusions:
- MRI is a valuable tool for evaluating diabetic foot infections, providing accurate information on presence and extent.
- MRI aids in differentiating neuroarthropathy from osteomyelitis, improving diagnostic accuracy in complex diabetic foot cases.