Optic neuritis

Case contributed by Dr Ammar Haouimi

Presentation

Three weeks history of right visual loss.

Patient Data

Age: 20 years
Gender: Female
MRI

Swelling of the retrobulbar intra-orbital segment of the right optic nerve, extending to the intracranial segment up to the lateral aspect of the optic chiasma with high T2 signal well-visualized on coronal T2 fat sat with enhancement on postcontrast T1 fat sat sequences.

Normal appearance of the left optic nerve.

No demyelinating lesions were seen at infra-or supratentorial levels.

Case Discussion

MRI features are most consistent with optic neuritis.

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