Agenesis of the Left Internal Carotid Artery Associated with Right Anterior Cerebral Artery A1 Segment Bifurcation Aneurysm: A Case Report

Abstract

Agenesis of the internal carotid artery occurs in less than 0.01% of the population. Intracranial aneurysms accompany agenesis in 25-43% of the patients. We present a unique patient with a saccular aneurysm of the anterior communicating artery associated with agenesis of contralateral internal carotid artery.

Key words

internal carotid artery - intracranial aneurysm - agenesis - collateral circulation

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