Optic nerve sheath meningioma

Case contributed by Dr Ahmed Abdrabou

Presentation

The patient complained of progressive proptosis and gradual loss of vision of the right eye. She had optic nerve mass since 20 years but she didn't receive any treatment.

Patient Data

Age: 55 years
Gender: Female
MRI

Large well-defined mass lesion surrounds the right optic nerve and extends through the optic canal intracranially to be continuous with right sphenoid ridge/parasellar extra-axial durally based meningioma. The lesion displays isointense signal on T1 and T2 with avid enhancement after contrast administration.

Case Discussion

This long-standing untreated optic nerve sheath meningioma extended intracranially, widened the optic canal and became continuous with other durally based meningiomas. The optic nerve was atrophied and there was significant proptosis. The lesion was pathologically proved.

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Case information

rID: 36780
Published: 29th May 2015
Last edited: 15th Oct 2020
Inclusion in quiz mode: Included

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