basilar artery anterior inferior cerebellar artery superior cerebellar artery posterior cerebral...
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