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. 2016 Dec 19;1(4):147–153. doi: 10.1136/svn-2016-000024

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://www.bmj.com/company/products-services/rights-and-licensing/

This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/licenses/by-nc/4.0/

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Images obtained in a 56-year-old man who manifested with transient right hemiparesis due to cerebral hypoperfusion caused by near occlusion of the carotid artery. (A) Fluoroscopy during angioplasty showing that the target ICA stenosis was dilated by the balloon (diameter 2 mm, 8 atm for 30 s); (B) carotid angiography showing that the stenosis improved from >99% to <70% after angioplasty. (C) CTP scans in the resting state showing that CBF, CBV, MTT and TTP in the right cerebral hemisphere are significantly improved, after angioplasty. CTP, CT perfusion; CBF, cerebral blood flow; CBV, cerebral blood volume; ICA, internal carotid artery; MTT, mean transit time; TTP, time to peak.