Left lower extremity weakness and right eye vision loss. The right superior fissure and optic canal regions are unremarkable. There is no evidence of mass lesions. The bilateral orbital contents are intact. The optic nerves and chiasm are unremarkable. There is diffuse high T2 signal in the left mandible and right maxillary alveolus. There are prominent arachnoid granulations in the floor of the right middle cranial fossa. There is patchy scattered cerebral white matter T2 hyperintensity. There is mucosal thickening in the right ethmoid sinuses. There is mild mucosal thickening in the bilateral mastoid air cells.
1. The right optic nerve is unremarkable.2. Inflammatory changes in the bone marrow in the left mandible and right maxillary alveolus at the site of periodontal disease previously demonstrated on CT.3. Patchy scattered cerebral white matter T2 hyperintensity may represent chronic small vessel ischemic disease. 