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[MR imaging in seronegative spondyloarthritis]
V Jevtic1, B Rozman, M Kos-Golja
1Radiology Institute, University Medical Centre Ljublijana, Slovenia.
Der Radiologe
|August 1, 1996
Summary
Magnetic resonance imaging (MRI) aids in the early detection of sacroiliitis and differentiates sero-negative spondyloarthropathies from rheumatoid arthritis by revealing inflammatory changes in joints and enthesitis.
Area of Science:
- Radiology
- Rheumatology
- Medical Imaging
Context:
- Sacroiliitis and sero-negative spondyloarthropathies present diagnostic challenges.
- Conventional radiography, CT, and MRI are used for diagnosis.
- Early detection and differentiation are crucial for effective management.
Purpose:
- To evaluate the utility of MRI in diagnosing sacroiliitis and differentiating sero-negative spondyloarthropathies.
- To assess MRI findings in ankylosing spondylitis, psoriatic arthritis, and Reiter's syndrome.
- To compare MRI findings with conventional imaging modalities.
Summary:
- MRI demonstrated sacroiliitis in 13 of 25 patients, including cases with normal conventional imaging.
- In ankylosing spondylitis, MRI identified active inflammatory enthesitis at the disco-vertebral junction and intervertebral disks.
- MRI facilitated differential diagnosis between sero-negative spondyloarthropathies and rheumatoid arthritis based on peripheral joint and enthesitis findings.
Impact:
- MRI is a valuable tool for the early diagnosis of sacroiliitis.
- MRI aids in characterizing inflammatory changes in sero-negative spondyloarthropathies.
- MRI improves the differential diagnosis of inflammatory arthropathies, particularly distinguishing sero-negative spondyloarthropathies from rheumatoid arthritis.