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Unusual branching of left common carotid artery

Authors:Pulipati Anil Kumar , Devireddy Krishna Reddy , Petla jyothic
Int J Biol Med Res. 2014; 5(4): 4603-4606  |  PDF File


Usually each common carotid artery terminates by dividing two branches namely external and internal carotid arteries. Variations in the branching pattern of common carotid artery are not uncommon. We observed anomalous origin of thyrolingual trunk from left common carotid artery in three cases out of 32 adult embalmed cadavers. This anomalous arterial trunk was found to divide into an ascending tortuous lingual artery and descending superior thyroid artery. Such type of anatomical variation is of important for surgeons and radiologists to avoid complications during neck surgeries and investigative procedures.