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T2-weighted (A) and FLAIR (B) MR imaging demonstrating focal hyperintensity within the cortex of the postcentral gyrus (white arrow). There is widening of the adjacent sulci providing further clues to previous infarction here but the signal intensity abnormality may be overlooked owing to the adjacent CSF hyperintensity. A small subtle lesion is present within the ipsilateral posterior frontal lobe cortex (black arrowhead). Both the lesions are readily visualized on FLAIR imaging (B).
