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Many embolization procedures have been described for the treatment of cavernous dural fistulas, including direct superior ophthalmic vein cannulation. Sometimes thrombosis of the superior ophthalmic vein or an anatomic variant will not allow its cannulation. Herein, we describe a case of a cavernous dural fistula in which an anteriorly narrowed and thrombosed superior ophthalmic vein was cannulated in the deep orbit through a lateral orbitotomy.

Superior Ophthalmic Vein Cannulation Through a Lateral Orbitotomy for Embolization of a Cavernous Dural Fistula