Transvenous Onyx Embolization of the Dural AVF
A 65-year-old man presented with a single episode of seizure. Plain CT scan head (Fig. 66.1a) revealed a small focal haemorrhage in the left high frontal region. Cerebral angiography revealed Borden type 3 dural AV fistula with dilated frontal cortical vein supplied by multiple tiny feeders from both ophthalmic arteries and draining into superior sagittal sinus (Fig. 66.1b–e).