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AJNR: American Journal of Neuroradiology logoLink to AJNR: American Journal of Neuroradiology
. 1995 Aug;16(7):1545-7.

Duplication of the extracranial internal carotid artery.

M A Chess 1, J B Barsotti 1, J K Chang 1, L M Ketonen 1, P L Westesson 1
PMCID: PMC8338074  PMID: 7484653

Abstract

We describe a case of duplication of the left internal carotid artery from a point 1 cm distal to the origin to the proximal petrous segment where the vessel reunites. Duplication and fenestration of the internal carotid artery are discussed. A review of embryologic development is presented. Identification of these entities is important, especially in patients who require surgical intervention involving the internal carotid artery.

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