Preprocedural findings of a patient with bilateral carotid-cavernous fistulae. Photograph shows bilateral proptosis, chemosis, and eyelid edema (first low). Right (second low, left) and left (second low, right) carotid angiograms reveal bilateral carotid-cavernous fistulae with shunts to the ophthalmic vein (black arrows), inferior petrosal sinus (black arrowheads), and petrosal vein (white arrow).