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. 2023 Oct 13;34(1):181–188. doi: 10.1007/s00062-023-01346-3

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© The Author(s) 2023

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a 3D-angiography showing a large (maximum diameter 14 mm) saccular aneurysm in the paraophthalmic left ICA. b Subtracted DSA before endovascular treatment. c Subtracted and unsubtracted DSA after coiling and FRED implantation showing stasis in the aneurysm. d MRI scan after 24.9 months from the index procedure due to several episodes of amaurosis fugax while being under ASS monotherapy: DWI and ADC maps showing a punctate diffusion restriction (arrows) restriction in the left occipital lobe. e , f Subtracted and unsubtracted DSA of the same day showing the patency of the FD and adjacent vessels, very mild intimal hyperplasia, along with stable complete occlusion of the aneurysm. g MRI TOF sequence showing complete aneurysm occlusion at the 5‑year follow-up