common sites

Last reviewed 01/2018

  • internal carotid artery - 30%
    • posterior communicating artery
    • carotid bifurcation

  • anterior cerebral artery - 35-40%
    • anterior communicating artery

  • middle cerebral artery - 20-25%
    • at the major bifurcation point in the Sylvian fissure

  • posterior circulation - 10%
    • basilar artery
    • posterior cerebral artery
    • posterior inferior cerebellar artery