Optic Neuritis

Unknown Brain Case 3


Presentation

40 y/o patient with a history of multiple sclerosis presenting with vision loss in the left eye.

Image Findings

The T1-weighted images, particulary with fat suppression, show enhancement around the left optic nerve at the apex of the orbit. The T2-weighted images (not shown) were performed without fat suppression and were normal.

Differential Diagnosis

Discussion

Optic neuritis is fairly common in patients with multiple sclerosis. The lesions are typically bright on T2-weighted sequences and on enhanced T1-weighted images, though without fat suppression, many will be missed.

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Last modified March 20, 1995