Presentation
Right papilledema.
Patient Data
Age: 50 years
Gender: Male
From the case:
Optic neuritis
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Swelling of the right optic nerve involving the retrobulbar intraorbital segment, extending to the intracranial segment up to the right aspect of the optic chiasma. It elicits a high signal on T2 and T2 fat sat with enhancement and inflammatory changes of the intraconal fat. Mild enlargement of the subarachnoid space around the optic nerve with flattening of the posterior sclera.
Normal appearance of the left optic nerve and orbital muscles.
No demyelinating lesion seen at infra-or supratentorial levels.
Case Discussion
MRI features of a unilateral swelling of the optic nerve of high T2 signal with enhancement most consistent with optic neuritis with inflammatory changes of the intraconal fat.
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