Abstract
The neck region has a great vital value; its variations and known micrometric values are accepted as important orientation points during intervention. Micrometric values of the front branches of the external carotid artery and their relations to the surrounding structures and metric data pertaining to origin locations of the superior thyroid (STA), lingual (LA), and facial (FA) arteries were evaluated in 40 samples. As regards the evaluation of the branching types of the external carotid artery, the cases where the STA, LA, and FA originated as separate branches were 90%, linguofacial trunk cases were 7.5%, and thyrolingual trunk cases were 2.5%. The diameters of the STA, LA, and FA at their origins were observed to be 3.53 +/- 1.17, 3.06 +/- 0.65, and 3.35 +/- 0.68 mm, respectively. The distances from the origin of the STA to the carotid bifurcation of 3.29 +/- 4.27 mm, origin of the STA to that of the LA of 10.45 +/- 5.16 mm, and origin of the STA to that of the FA of 18.20 +/- 8.81 mm were found. The current findings may have serious implications for radiologic examinations, exploration of the neck, thyroid and parathyroid surgery, tracheotomy, and surgery of the larynx, pharynx, upper esophagus, pterygopalatine, and infratemporal fossa.
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