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J Vasc Interv Neurol · Nov 2018
Independent Anomalous Origin of the Right Vertebral Artery from the Right Common Carotid Artery.
- Kojiro Ishikawa, Takashi Yamanouchi, Takashi Mamiya, Shinji Shimato, Toshihisa Nishizawa, and Kyozo Kato.
- Department of Neurosurgery, Kariya Toyota General Hospital, Kariya, Japan.
- J Vasc Interv Neurol. 2018 Nov 1; 10 (2): 25-27.
AbstractAn anomalous origin of the right vertebral artery is rare. The left vertebral artery from the aortic arch is where most of the anomalies occur. The next is an origin of the right vertebral artery from the right common carotid artery in association with the aberrant right subclavian artery. However, independent anomalous origin of the right vertebral artery from the right common carotid artery has not been well known in the previous literature. We present this anomaly, and able to understand the mechanism of the occurrence by embryological knowledge. Failure of involution of the fourth segmental artery and the ductus caroticus remaining are associated with this anomaly. To understand this, an aberrant may be helpful to avoid injury of the vertebral artery when performing the surgical procedures and catheterization.
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