Related Experiment Videos
Magnetic resonance imaging in clinically-definite multiple sclerosis.
J B Noakes1, G K Herkes, J A Frith
1Royal North Shore Hospital of Sydney, St Leonards, NSW.
The Medical Journal of Australia
|February 5, 1990
Summary
Magnetic resonance imaging (MRI) detects abnormalities in 90% of multiple sclerosis patients. Lesion location and number correlate with disability, but not disease duration or age.
Area of Science:
- Neurology
- Radiology
- Medical Imaging
Background:
- Multiple sclerosis (MS) is a chronic neurological disease.
- Accurate diagnosis and monitoring of MS progression are crucial.
- Magnetic resonance imaging (MRI) is a key tool in MS assessment.
Purpose of the Study:
- To evaluate the utility of 1.5-T MRI in detecting abnormalities in clinically-definite multiple sclerosis.
- To correlate MRI findings with clinical disability and other patient variables.
Main Methods:
- Forty-two patients with clinically-definite MS underwent 1.5-T MRI.
- MRI data including lesion number, size, and location were analyzed.
- Correlation analysis was performed between MRI findings and the Kurtzke disability status scale, disease duration, age, sex, and visual-evoked potentials.
Main Results:
- MRI detected abnormalities in 90% of patients; four showed no lesions.
- Higher Kurtzke scores were associated with corpus callosum atrophy, brainstem/basal ganglia lesions, and a greater total number of lesions.
- No significant correlations were found between MRI findings and disease duration, age, sex, or visual-evoked potentials.
Conclusions:
- 1.5-T MRI is highly sensitive in detecting abnormalities in clinically-definite MS.
- Specific lesion locations and the total lesion burden correlate with patient disability.
- MRI findings in MS are varied and require careful interpretation in conjunction with clinical status.