Optic nerve sheath meningioma
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.
Loading Stack -
0 images remaining
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.
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.