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. 2018 May 7;3(3):176–184. doi: 10.1136/svn-2017-000137

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© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.

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A 44-year-old male patient with symptomatic left intracranial vertebral artery stenosis treated with balloon predilation plus self-expanding stenting. (A) CT angiography showed a severe left intracranial vertebral artery stenosis. (B) CT perfusion showed hypoperfusion in the posterior circulation territory compared with that in the anterior circulation territory. (C) The lesion was treated with a balloon (2.5 mm × 15 mm) and then implantation of a self-expanding stent (3.0 mm × 20 mm). The degree of stenosis decreased from 90% to 0%. CBF, cerebral blood flow; CBV, cerebral blood volume; MTT, mean transit time; TTP, time to peak.