of abnormal contrast enhancement, a common imaging feature of acute demyelinating plaques that i

icular hyperintense plaques, as well as two subcortical plaques in the right frontal and parietal lobes. Upper right, coronal T1-post gadolinium image showing abnormal enhancement of the right optic nerve in a case of acute optic neuritis (arrow). Lower left, sagittal T2-FLAIR image showing two hyperintense plaques emanating radially from the body of the corpus callosum (“Dawson fingers”). Lower right, sagittal T2 MRI showing multiple discret