{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,8]],"date-time":"2026-08-08T05:42:35Z","timestamp":1786167755282,"version":"build-2736575974"},"reference-count":39,"publisher":"SAGE Publications","issue":"4","license":[{"start":{"date-parts":[[2024,6,17]],"date-time":"2024-06-17T00:00:00Z","timestamp":1718582400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2024,6,17]],"date-time":"2024-06-17T00:00:00Z","timestamp":1718582400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Interv Neuroradiol"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:p>Although rare, cerebral arterial fenestration may present challenges in diagnosis and treatment. Here we present a case of a supraclinoid internal carotid artery (ICA) fenestration adjacent to an ICA aneurysm, successfully treated with balloon-assisted coil embolization. A female in her 50's presented with an acute subarachnoid hemorrhage from a ruptured left ICA-ophthalmic artery (OA) aneurysm. Digital subtraction angiography revealed a focal ICA fenestration distal to the posterior communicating artery (Pcom). The patient underwent successful coil embolization of the aneurysm using the balloon-assisted technique. No immediate hemorrhagic, thromboembolic, or neurological complications were observed. The patient was discharged in good condition after 2 weeks of hospitalization. A comprehensive literature review of 33 cases was subsequently performed to understand the characteristics of this condition. Cases involving the cranial division of the ICA forming the fenestration exhibited caliber differences significantly more frequently (p\u2009=\u20090.02). Embryological insights revealed distinctions between the cranial divisions of the ICA, influencing fenestration morphology and associated aneurysm formation. Endovascular treatment poses the risk of vascular injury, necessitating the identification of this variation and procedural planning.<\/jats:p>","DOI":"10.1177\/15910199241262845","type":"journal-article","created":{"date-parts":[[2024,6,17]],"date-time":"2024-06-17T03:58:35Z","timestamp":1718596715000},"page":"2015-2020","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Treatment of an intracranial aneurysm in the setting of fenestration of cranial division of the internal carotid artery: Technical considerations and a literature review"],"prefix":"10.1177","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1887-3227","authenticated-orcid":false,"given":"Shigeta","family":"Miyake","sequence":"first","affiliation":[{"name":"Yokohama City University"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew","family":"Falzon","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, University Health Network and Toronto Western Hospital, Toronto, ON, Canada"},{"name":"Department of Medical Imaging, University of Toronto, Toronto, ON, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tze Phei","family":"Kee","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, University Health Network and Toronto Western Hospital, Toronto, ON, Canada"},{"name":"Department of Medical Imaging, University of Toronto, Toronto, ON, Canada"},{"name":"National Neuroscience Institute"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hugo","family":"Andrade","sequence":"additional","affiliation":[{"name":"Toronto Western Hospital"},{"name":"Sprott Department of Surgery, University of Toronto, Toronto, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timo","family":"Krings","sequence":"additional","affiliation":[{"name":"Division of Neuroradiology, Joint Department of Medical Imaging, University Health Network and Toronto Western Hospital, Toronto, ON, Canada"},{"name":"Department of Medical Imaging, University of Toronto, Toronto, ON, Canada"},{"name":"Toronto Western Hospital"},{"name":"Sprott Department of Surgery, University of Toronto, Toronto, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,6,17]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.15274\/INR-2014-10027"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.2176\/nmccrj.cr.2019-0301"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/0090-3019(92)90154-F"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00062-011-0120-3"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00701-007-1118-0"},{"key":"e_1_3_3_7_2","doi-asserted-by":"publisher","DOI":"10.3174\/ajnr.A1563"},{"key":"e_1_3_3_8_2","first-page":"634","article-title":"Fenestration of the supraclinoid internal carotid artery with rupture of associated aneurysm","volume":"5","author":"Yock DHJ","year":"1984","unstructured":"Yock DHJ. 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