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. 2021 Oct 25;12:734971. doi: 10.3389/fneur.2021.734971

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Copyright © 2021 Al Kasab, Almallouhi and Spiotta.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Illustrative case of ICAS-related LVO in the M1 segment of the left middle cerebral artery. (A) Pre-MT angiographic image demonstrating complete occlusion of M1 segment of the left middle cerebral artery. (B) Post-MT angiographic image demonstrating partial recanalization of M1 segment of the left middle cerebral artery with persistent severe flow-limiting stenosis. Of note, ADAPT technique was used in this case. (C) Native (left) and digitally subtracted (right) angiographic images demonstrating successful intracranial stenting with Neuro-Form atlas stent as a rescue therapy with a goal of maintaining cerebral flow through the stenotic portion of M1 segment of the left middle cerebral artery. ADAPT, direct aspiration first pass technique; MT, mechanical thrombectomy; ICAS, intracranial atherosclerosis; ELVO, Emergent large vessel occlusion.