Caroticocavernous fistula (indirect)

Case contributed by Assoc Prof Frank Gaillard

CT through the orbits demonstrates marked enlargement of the right superior ophthalmic vein associated with proptosis, straightening of the optic nerve and prominence of the right cavernous sinus

DSA (angiography)

Angiography demonstrates both ICA and ECA shunting to the cavernous sinus and superior ophthalmic vein consistent with an indirect caroticocavernous fistula.

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