The incidence of complication is 4% and half of these only have permanent neurological damage.
- Cranial Nerves palsies including blindness: more common with small particle.
- Stroke due to unrecognized spread of emboli
- Hemorrhage due to vessel perforation or tissue necrosis (radiation induced)
- Specific to meningioma : Intratumoural hemorrhage c(in 24-36 hrs after embolization), Delayed artery-venous shunting
