Transcript carotid disease - University of Toronto

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
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•
•
•
Dural entry
Anterior spinal artery
Ant/post meningeal arteries
Posterior inferior cerebellar artery
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–
–
–
–
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