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Not the usual suspect
Andrew G Lee1, Jonathan D Shader2, Aroucha Vickers3
1Department of Ophthalmology, Blanton Eye Institute, Houston Methodist Hospital, Houston, Texas, USA; Weill Cornell Medicine, Department of Ophthalmology, New York, New York, USA; Weill Cornell Medicine, Department of Neurology, New York, New York, USA; Weill Cornell Medicine, Department of Neurosurgery, New York, New York, USA.
Abstract:
An 82-year-old woman presented with right-sided proptosis, chemosis, and a supraorbital bruit. A dural carotid-cavernous fistula was suspected, but catheter angiography revealed an intraorbital inferior ophthalmic vein arteriovenous fistula supplied by the right ophthalmic artery and infraorbital branch of the internal maxillary artery. A primary orbital arteriovenous fistula can mimic the clinical and radiographic features of the more common carotid-cavernous fistula.