Fig. 4From: Post-traumatic right carotid-cavernous fistula resulting in symptoms in the contralateral eye: a case report and literature reviewMagnetic resonance imaging (MRI) of the periorbital region. a. It revealedexpansion of the left cavernous sinus and dilation of the left superior ophthalmic vein (white arrow). b. It revealed slight thickening of the left lateral rectus muscle and enlarged left cavernous sinus, yet the right was almost normal (white arrow).Back to article page