Basilar Artery Anterior inferior cerebellar artery Superior cerebellar artery Posterior cerebral artery –Posterior choroidal arteries Blood supply to.

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Presentation transcript:

Basilar Artery Anterior inferior cerebellar artery Superior cerebellar artery Posterior cerebral artery –Posterior choroidal arteries Blood supply to the thalamus, midbrain, pons, medulla, cerebellum

Vertebral Artery Dural entry Anterior spinal artery Ant/post meningeal arteries Posterior inferior cerebellar artery –Anterior medullary segment –Lateral medullary segment –Tonsillomedullary –Telovelotonsillar –Cortical

Venous Anatomy Superficial vs deep veins Sinuses Symptoms with venous congestion

Clinical Cases

Subarachnoid Hemorrhage 71 year old man Headache, no deficit Interpeduncular blood

Cause of Subarachnoid Hemorrhage?

Pre-nidal Aneurysm

Selective Posterior Cerebral Arteries

Post- treatment

Risk of Bleed Eliminated? Incomplete L IIIrd n palsy No other deficits Treatment of AVM