Unusal course and branching pattern of external carotid artery – A case report
Journal Title: MedPulse -International Medical Journal - Year 2015, Vol 2, Issue 4
Abstract
Anatomical Variation of carotid artery system which is frequently encountered has a great impact on the surgical approaches of neck. Although many variations of the carotid arteries are well known in the literature. The type of variations reported in the present case has not been previously described. We report a unique variation of anomalous course and unusual branching pattern of right External Carotid Artery and a muscular branch to infrahyoid muscles from left lingual artery in a male cadaver aged 60 years. In the present case, on the right side short proximal part of ECA ascends upwards and medially and gave origin to superior thyroid, lingual, posterior auricular, facial and distal part of ECA. Occipital artery arises from the posterior auricular artery. The distal part of ECA ascends upward and laterally and divides into superficial temporal and maxillary artery. On left side, superior thyroid artery arises from the common carotid artery and lingual artery arises at the level of bifurcation of common carotid artery. Lingual artery gave a muscular branch to infrahyoid muscles. The embryogenesis of such anomalies is not clear, but the knowledge about variation in course and branches of External carotid artery is important for surgeons for ligation of vessels during head, neck and face surgeries and for radiologist during the interpretations of angiograms.
Authors and Affiliations
Varsha Prabhkar Dahiphale, Mangesh Santram Selukar, Promod Raghunath Kulkarni, Vrushali Vijay Maindarkar
Keywords
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