Optic nerve sheath meningioma

Case contributed by Dr Ahmed Abd Rabou

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 old
Gender: Female
MRI

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

Case Discussion

This long standing non treated optic nerve sheath meningioma extended intra cranially, widened the opatic 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
Case created: 10th May 2015
Last edited: 15th Feb 2016
Inclusion in quiz mode: Included

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