右椎动脉发自颈内动脉伴异常右锁骨下动脉一例。
A Rare Anomalous Origin of the Right Vertebral Artery from the Internal Carotid Artery with an Aberrant Right Subclavian Artery.
机构信息
Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan.
Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan.
出版信息
World Neurosurg. 2020 Jul;139:250-252. doi: 10.1016/j.wneu.2020.04.080. Epub 2020 Apr 23.
BACKGROUND
An anomalous origin of the right vertebral artery (VA) from the right internal carotid artery (ICA) occurs only rarely.
CASE DESCRIPTION
A 70-year-old man underwent carotid artery stenting for right internal carotid artery stenosis. In this patient, the right VA arose from the right ICA associated with an aberrant right subclavian artery.
CONCLUSION
Embryologically, failure of involution of 1 of the first 6 intersegmental arteries causes various abnormal origins of the VA. The embryonic development of this anomaly is also reviewed.
背景
右椎动脉（VA）异常起源于右颈内动脉（ICA）的情况极为罕见。
病例描述
一位 70 岁男性因右侧颈内动脉狭窄而行颈动脉支架置入术。该患者右侧 VA 发自右侧 ICA，伴发右侧异常起源的锁骨下动脉。
结论
胚胎学上，前 6 对节段动脉之一的退缩失败导致 VA 的各种异常起源。该异常的胚胎发育也得到了回顾。
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