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  • Title: Common left carotid bifurcation at C7-Th1 level: a rare anatomical variant.
    Author: Charalambous S, Hatzidakis A, Peteinarakis I, Megremis S, Karantanas A.
    Journal: Surg Radiol Anat; 2019 Feb; 41(2):227-229. PubMed ID: 30474710.
    Abstract:
    The left common carotid artery usually bifurcates to the internal and external carotids at or near the superior border of thyroid cartilage. In head and neck surgery, the common carotid arteries are important landmarks, defining the plane of dissection during radical neck surgeries. According to the literature, many variations exist regarding the carotid bifurcation. Anatomical knowledge of these variants is important for surgical approaches in the head and neck regions, to avoid devastating complications that may occur, mainly during anterior neck dissections. We report an interesting case of a 75-year-old male patient with low bifurcation of the left common carotid artery, accidentally found during a routine carotid Doppler ultrasonography. Bifurcation was located at the C7-Th1 intervertebral disc height, approximately 4 cm from the aortic arch.
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