Related Experiment Videos
Detection of joint pathology by magnetic resonance imaging in patients with early rheumatoid arthritis
K Forslind1, E M Larsson, A Johansson
1Department of Medicine, Helsingborgs lasarett, Sweden.
Abstract:
Magnetic resonance imaging (MRI) permits the visualization of anatomical structures not appreciated by conventional radiographic imaging, and may assess inflammatory disease and its progression with greater sensitivity than conventional radiography. In this study of 30 patients with early rheumatoid arthritis (RA), which could be considered as a pilot study because of the relatively small number of patients, we compare MRI of the knee and the fifth metatarsophalangeal joint with clinical and radiographic findings. A parallel study of 10 healthy individuals served as a reference group. In all but one of the 30 patients, MRI revealed some kind of joint abnormality, whereas conventional radiography was normal in 14 patients. The present study thus suggests that MRI may detect inflammatory and/or destructive joint changes in patients with early RA, and that these changes may occur in the absence of clinical symptoms or signs and/or radiographic signs in the examined joint. If these data prove to be confirmed in further controlled studies, MRI may be of importance both for the assessment of prognosis and for the decision to treat in the early critical stages of RA.
Insights
Magnetic resonance imaging (MRI) detects early rheumatoid arthritis (RA) joint abnormalities missed by conventional methods. This pilot study suggests MRI may aid in early RA prognosis and treatment decisions.
Area of Science:
- Rheumatology
- Radiology
- Medical Imaging
Background:
- Conventional radiography has limitations in detecting early inflammatory joint disease.
- Rheumatoid arthritis (RA) diagnosis and management benefit from sensitive imaging techniques.
Purpose of the Study:
- To compare magnetic resonance imaging (MRI) with clinical and radiographic findings in early rheumatoid arthritis (RA).
- To assess MRI's ability to detect subclinical joint abnormalities in early RA.
Main Methods:
- A pilot study involving 30 patients with early RA and 10 healthy controls.
- MRI of the knee and fifth metatarsophalangeal joint was performed.
- Findings were compared with clinical assessments and conventional radiography.
Main Results:
- MRI detected joint abnormalities in 29 out of 30 RA patients.
- Conventional radiography showed normal findings in 14 of these patients.
- MRI identified inflammatory and/or destructive changes not evident clinically or radiographically.
Conclusions:
- MRI may detect early inflammatory and destructive joint changes in RA, even without clinical or radiographic signs.
- These findings suggest MRI's potential role in assessing early RA prognosis.
- Further controlled studies are needed to confirm MRI's utility in guiding early RA treatment decisions.