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cortical lesion
cortical lesion A cortical lesion is an area of damage or abnormality in the brain’s cortex, especially the cerebral grey matter.
A cortical lesion is an area of damage or abnormality in the brain’s cortex, especially the cerebral grey matter. In multiple sclerosis, these lesions can be seen with MRI, but detecting and distinguishing different cortical lesion types can be difficult and not always reliable.