Abstract
A 48-year-old man presented with a posterior circulation stroke secondary to left
lateral medullary infarction. Contrast-enhanced magnetic resonance angiography (CEMRA)
revealed 40–45% intracranial left vertebral artery stenosis, likely atherosclerotic
in nature. CEMRA and subsequent computed tomography angiography also identified a
duplicate origin of the left vertebral artery. The importance of recognition of this
rare anatomical variant, its potential contribution to stroke aetiology, and the advantage
of non-invasive vascular imaging prior to catheter angiography is emphasised.
Keywords
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References
- MR angiographic demonstration of bilateral duplication of the extracranial vertebral artery: unusual course and review of the literature.Am J Neuroradiol. 2006; 27: 1304-1306
- Duplication of the vertebral artery: report of two cases and review of the literature.Neuroradiology. 2001; 43: 477-480
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- Duplicate origin of left vertebral artery with thrombosis at the origin: color Doppler sonography and CT angiography findings.J Clin Ultrasound. 1998; 26: 323-325
Article info
Publication history
Published online: September 01, 2010
Accepted:
July 21,
2010
Received in revised form:
July 15,
2010
Received:
May 11,
2010
Identification
Copyright
© 2010 Elsevier B.V. Published by Elsevier Inc. All rights reserved.
