Abstract:Introduction
Absence of the Internal Carotid Artery (ICA) is a rare cerebrovascular anomaly signified by agenesis, aplasia, or hypoplasia of the ICA and its’ bony canal. Agenesis refers to complete absence whereas aplasia refers to some partial remanent of the ICA or the carotid canal however, these terms are often used interchangeably. There are 6 types of ICA agenesis/aplasia of which type A consists of collateral flow supplied to the MCA via the P‐comm and ACA via the A‐comm. The prevalence of s… Show more
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