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. 2023 Apr 14;13(6):3536–3546. doi: 10.21037/qims-22-970

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2023 Quantitative Imaging in Medicine and Surgery. All rights reserved.

Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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A typical case in the flow diversion group. (A) Pretreatment DSA showing a right-sided vertebral artery aneurysm. A pipeline flow diverter was deployed without coil embolization, and the immediate postprocedural DSA (B,C) and Vaso CT (D) showed the flow diverter was released properly, without in-stent or distal vessel thrombosis. (E) The postprocedural DSA showed the blood flow was detained to the venous phase. (F) Nine months after the procedure, the DSA showed mild in-stent stenosis and partial contrast filling at the aneurysm neck. The white arrows indicate the aneurysm. The red arrow indicates the in-stent stenosis. DSA, digital subtraction angiography; CT, computer tomography.