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. 2015 Jun 20;128(12):1601–1606. doi: 10.4103/0366-6999.158314

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Copyright: © 2015 Chinese Medical Journal

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

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Computer tomography angiography suggested right vertebral artery hypoplasia (VAH) with absence of lumen in the distal portion of intracranial vertebral artery (VA) (a arrow). The left VA was dominant side (b arrow). Coronal (c arrow) and axil (d, arrow) reconstructed views of high resolution magnetic resonance images showed wall thickening with a large thrombus leading to lumen occlusion in the distal portion of intracranial VA. High resolution magnetic resonance images showed outer vessel diameter in the right VA was less than 50% of the left VA. This case was diagnosed as VAH with atherosclerosis and thrombus.