Non-Giant Aneurysms of the Posterior Cerebral Artery: 59 Patients

  • Charles G. Drake
  • Sydney J. Peerless
  • Juha A. Hernesniemi


The posterior cerebral artery (PCA) has been divid­ed into P1, P2, P3 and P4 segments; P1 includes the artery from its origin to and including the P1-P2-posterior communicating artery (PComA) conflu­ence. P2 extends to and includes the first major branching on the side of the midbrain — usually the anterior temporal artery. The next segment up to the origin of the parieto-occipital and calcarine arteries is called P3 and the most distal part P4.


Posterior Cerebral Artery Preoperative Grade Posterior Clinoid Process Junction Aneurysm Tiny Aneurysm 
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Copyright information

© Springer-Verlag/Wien 1996

Authors and Affiliations

  • Charles G. Drake
    • 1
    • 2
  • Sydney J. Peerless
    • 2
  • Juha A. Hernesniemi
    • 3
  1. 1.Department of SurgeryUniversity of Western Ontario, University HospitalLondonCanada
  2. 2.Division of NeurosurgeryUniversity of Western Ontario, University HospitalLondonCanada
  3. 3.Department of NeurosurgeryUniversity Hospital of KuopioKuopioFinland

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