Figure 1.

Cerebral angiogram showing a small indirect Barrow type D right carotid cavernous fistula. Selective injection of the external carotid artery demonstrates filling of the cavernous sinus (arrow) and retrograde drainage into the right superior ophthalmic vein (arrowhead).

Thinda et al. BMC Ophthalmology 2012 12:28   doi:10.1186/1471-2415-12-28
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