dont understand my mri results, can you help
I have placed a previous post early in short (servere symptoms of M.S OR POSSIBLY ADEM.
1st mri without contrast revealed: high signal intensity foci in various regions of the brain in the white matter non specific
4 months later 2nd mri with full contrast revealed: hypersensitivty in frontal lobes no lesions present
Please could someone explain what this means exactly I dont understand what high signal intensity means, but I know what a lesion is, except they seem to have gone??? can anyone help me to understand this please xxxx