Non-Giant Aneurysms of the Posterior Cerebral Artery: 59 Patients
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.
KeywordsPosterior Cerebral Artery Preoperative Grade Posterior Clinoid Process Junction Aneurysm Tiny Aneurysm
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