Is anomalous origin of the left vertebral artery indeed a rare finding?

Van der Merwe, Braham ; Ackermann, Christelle ; Scheepers, Shaun ; Moosa, Sulaiman (2012-11-28)

CITATION: Van der Merwe, B., Ackermann, C., Scheepers, S. & Moosa, S. 2012. Is anomalous origin of the left vertebral artery indeed a rare finding? SA Journal of Radiology, 16(4):144-146, doi:10.7196/SAJR.708.

The original publication is available at http://www.sajr.org.za

Article

We present a pictorial review of anomalous origin of the left vertebral artery observed in 5 patients imaged in our after-hours trauma radiology unit within a period of 7 days. We raise the question of whether the incidence of anomalous origin of the left vertebral artery quoted in the radiology literature as 5% is really that low, and suggest that the current increased frequency of cross-sectional imaging could elevate the observed incidence of this anomaly in practice. We discuss the implications of vertebral artery anomalies in the endovascular treatment of aortic arch injuries.

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