How Does Radiology Help Diagnose MS?
Magnetic resonance imaging (MRI) has made it easier to diagnose MS and monitor disease progression. An MRI can provide different information, depending on how it’s done. Types of MRI and radiology tests that may be used for MS include:
- T1-weighted brain MRI. Using contrast dye to detect active inflammation, this scan highlights new lesions or lesions that are growing. It can also show dark areas that indicate possible permanent damage.
- T2-weighted brain MRI. This scan detects all old and new lesions and helps gauge total disease progression.
- Fluid attenuated inversion recovery (FLAIR). As a more sensitive scan, this test can help identify brain lesions.
- Spinal cord MRI. This test can detect lesions within your spinal cord.
- Computed tomography (CT) scan. This scan, involving radiation, can also detect areas of demyelination, but with less detail than MRI.
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