Cerebral aneurysm - terminal internal carotid artery

Case contributed by Hidayatullah Hamidi
Diagnosis certain

Presentation

Headache

Patient Data

Age: 45 years
Gender: Male

A saccular aneurysm of the terminal left internal carotid artery is noted. Apparent filling defect centrally on time of flight MRA should not be misinterpreted as thrombosis. It merely represents turbulent flow.

Case Discussion

Supraclinoid ICA and ICA/PCoA junction areas account for approximately 30% of all cerebral aneurysms.

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