Keywords
meningioma - anterior clinoid - cavernous sinus - sphenoid wing
Fig. 1 Axial and coronal magnetic resonance imaging show a large clinoidal meningioma on the right side, invading the superior, lateral and medial portion of the cavernous sinus, the optic canal and circumferential involvement of the internal carotid artery. It extends also to the temporal floor.
Fig. 2 Intraoperative image demonstrating sharp dissection of the oculomotor triangle to release the third nerve.
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