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NJBMS - Volume 3, Issue 3, January - March 2013

Pages: 240-242
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LOOP FORMATION OF CERVICAL SEGMENT OF INTERNAL CAROTID ARTERY - A CASE REPORT

Author: NIRMALA .D., SHARIEFF J.H

Category: Anatomy

Abstract:

The internal carotid artery is one of the major arteries supplying the brain. Along with the vertebral artery it forms the carotid – vertebro – basilar system maintaining the blood flow to the brain. The internal carotid artery normally runs vertically upwards in the cervical region to enter the carotid canal & presents various bends in its intracranial course.

During routine dissection of head & neck region in an adult male cadaver, a variation in the course of internal carotid artery on left side was found. There was complete loop formation of the internal carotid artery on left side whereas internal carotid artery on the right side had normal course. Knowledge of such variation is essential for otolaryngologists, surgeons, neurosurgeons & radiologists for differential diagnosis. It is of greater relevance to the surgeons for it is important to recognize the condition before performing surgical procedures in the pharynx.