báo cáo khoa học:" Unilateral congenital elongation of the cervical part of the internal carotid artery with kinking and looping: two case reports and review of the literature"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: Unilateral congenital elongation of the cervical part of the internal carotid artery with kinking and looping: two case reports and review of the literature | Head Face Medicine BioMed Central Open Access Case report Unilateral congenital elongation of the cervical part of the internal carotid artery with kinking and looping two case reports and review of the literature Nikolai A Ovchinnikov Ramesh T Raot2 and Suresh R Rao f1 Address Anatomy Cell Biology Unit Department of Preclinical Sciences Faculty of Medical Sciences University of the West Indies St. Augustine Trinidad and Tobago West Indies and 2Department of Paraclinical Sciences School of Pharmacy Faculty of Medical Sciences University of the West Indies St. Augustine Trinidad and Tobago West Indies Email Nikolai A Ovchinnikov - docnic@ RameshT Rao - varun1195@ Suresh R Rao - s4chavan@ Corresponding author fEqual contributors Published 25 July 2007 Received 28 August 2006 Head Face Medicine 2007 3 29 doi 1746-160X-3-29 Accepted 25 July 2007 This article is available from http content 3 1 29 2007 Ovchinnikov et al licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http licenses by which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Unilateral and bilateral variation in the course and elongation of the cervical extracranial part of the internal carotid artery ICA leading to its tortuosity kinking and coiling or looping is not a rare condition which could be caused by both embryological and acquired factors. Patients with such variations may be asymptomatic in some cases in others they can develop cerebrovascular symptoms due to carotid stenosis affecting cerebral circulation. The risk of transient ischemic attacks in patients with carotid stenosis is high and its surgical correction is indicated for the prevention of ischemic stroke. Detection of developmental variations of the ICA and evaluation of its stenotic areas is very

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