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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 from a 56-year-old man who manifested with transient right hemiparesis due to cerebral hypoperfusion caused by near occlusion of carotid artery. (A) Carotid angiography performed just before the stage 2 procedure shows remaining stenosis of the ICA, but there is no delayed filling of the distal part of the artery. (B) Carotid angiography performed after the procedure shows that the ICA stenosis is completely dilated after balloon angioplasty and stent placement. (C) After stage 2 angioplasty shows further CBF improvement in the right cerebral hemisphere, but not hyperperfusion. CBF, cerebral blood flow; ICA, internal carotid artery.