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MRI of the brain taken early in disease course, demonstrating bilateral optic neuritis and perineuritis with post-chiasmatic extension and involvement of the left temporal stem, left calcarine fissure and occipital horn, indicating evolving meningoencephalitis. Examination of the left eye revealed early papillitis. Aggressive immunosuppression with intravenous methylprednisolone 1g/day was administered for a period of 3 days, followed by transition to oral high dose prednisone.
