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. 2020 Oct 30;11:522583. doi: 10.3389/fneur.2020.522583

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Copyright © 2020 Zhou, Wu, Tian, Yang and Mu.

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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Case 21: A 17-year-old boy had a giant vertebrobasilar artery aneurysm and a PICA aneurysm (A, CT scanning; B, C, anteroposterior projections of bilateral vertebral arteries). A 3.75 mm × 35 mm PED was successfully deployed from the basilar artery to the right vertebral artery. Post-embolization angiograms showed significant contrast stasis (D) and good vascular reconstruction (E). The left PICA aneurysm was untreated. Two weeks later, the distal end of the stent (black arrow) retracted and fell into the aneurysm cavity (F). Another PED was used to bridge the original PED (G, H). Three months later, CTA examination showed that the aneurysm was completely occluded (I).