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Magnetic Resonance Imaging (MRI)

The key tool used to diagnose MS and monitor MS lesion activity.

Unlike an X-ray, which emits radiation to produce an image, an MRI uses a swinging magnetic field. This magnetic field excites the nuclei centre of your cells, releasing a radio signal that produces an image. MRIs are especially important in MS for visualising lesions and scarring in the brain and spinal cord.

MS Trust. Magnetic resonance imaging (MRI). Available at: Accessed April 2020.

UK | July 2020 | MUL20-C021