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  • Title: Morphological, embryological, and clinical implications of the bi-carotid trunk, aberrant right subclavian artery, and bilateral linguofacial trunk.
    Author: Chaudhary B, Kumari S.
    Journal: Surg Radiol Anat; 2022 Nov; 44(11):1461-1465. PubMed ID: 36273342.
    Abstract:
    A female cadaver fixated with 10% formalin solution was dissected during a routine undergraduate anatomy class. It was found that both the right and left carotid arteries arose from a bi-carotid trunk as the first branch of the aortic arch. The bi-carotid trunk was followed by the left subclavian artery. The aberrant right subclavian artery (the last branch) had a retro-oesophageal course. These variations were associated with the linguofacial trunk bilaterally. The group of variant anatomy of vessels encompassing the bi-carotid trunk, aberrant right subclavian artery, and the linguofacial trunk is extremely rare. A similar case has not been reported yet in the literature. The anatomic and morphologic variations of the aortic arch and its branches are important for diagnostic and surgical procedures in the thorax and neck region. Thoracovascular surgeons and interventional radiologists should be aware of these anomalies during head and neck surgery, aortic instrumentation, and four-vessel angiography.
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