• World Neurosurg · Jul 2020

    Case Reports

    A rare anomalous origin of the right vertebral artery from the internal carotid artery with an aberrant right subclavian artery.

    • Takahiro Ota, Shigeta Fujitani, So Fujimoto, Hiroshi Saito, and Masayuki Ueda.
    • Department of Neurosurgery, Tokyo Metropolitan Tama Medical Center, Tokyo, Japan. Electronic address: toota-tky@umin.org.
    • World Neurosurg. 2020 Jul 1; 139: 250-252.

    BackgroundAn anomalous origin of the right vertebral artery (VA) from the right internal carotid artery (ICA) occurs only rarely.Case DescriptionA 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.ConclusionEmbryologically, 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.Copyright © 2020 Elsevier Inc. All rights reserved.

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