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We report a case that highlights the unique diagnostic features of this presentation and contemporary endovascular treatment options available.<\/jats:p>","DOI":"10.1136\/bcr-2021-246866","type":"journal-article","created":{"date-parts":[[2022,1,20]],"date-time":"2022-01-20T10:41:55Z","timestamp":1642675315000},"page":"e246866","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Internal carotid artery blister aneurysm rupture: a unifying diagnosis for massive epistaxis and unilateral embolic strokes"],"prefix":"10.1136","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1300-6378","authenticated-orcid":false,"given":"Mitchell Joseph","family":"Lycett","sequence":"first","affiliation":[{"name":"John Hunter Hospital Department of Neurology, New Lambton Heights, New South Wales, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sophie","family":"Dunkerton","sequence":"additional","affiliation":[{"name":"John Hunter Hospital Department of Neurology, New Lambton Heights, New South Wales, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ferdinand","family":"Miteff","sequence":"additional","affiliation":[{"name":"John Hunter Hospital Department of Neurology, New Lambton Heights, New South Wales, Australia"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2022,1,20]]},"reference":[{"key":"2025082801553168000_15.1.e246866.1","doi-asserted-by":"crossref","first-page":"e380","DOI":"10.1097\/SCS.0000000000000930","article-title":"Cavernous internal carotid artery aneurysm after radiotherapy presenting with external ophthalmoplegia","volume":"25","author":"Wu","year":"2014","journal-title":"J Craniofac Surg"},{"key":"2025082801553168000_15.1.e246866.2","doi-asserted-by":"crossref","first-page":"226","DOI":"10.2176\/nmc.51.226","article-title":"Simultaneous occurrence of subarachnoid hemorrhage and epistaxis due to ruptured petrous internal carotid artery aneurysm: association with transsphenoidal surgery and radiation therapy: case report","volume":"51","author":"Endo","year":"2011","journal-title":"Neurol Med Chir"},{"key":"2025082801553168000_15.1.e246866.3","doi-asserted-by":"publisher","DOI":"10.1007\/s007010170089"},{"key":"2025082801553168000_15.1.e246866.4","doi-asserted-by":"publisher","DOI":"10.1097\/00006123-200009000-00008"},{"key":"2025082801553168000_15.1.e246866.5","doi-asserted-by":"crossref","DOI":"10.1097\/MD.0000000000022656","article-title":"Acute ischemic stroke due to unruptured small aneurysm of internal carotid artery: a case report","volume":"99","author":"Su","year":"2020","journal-title":"Medicine"},{"key":"2025082801553168000_15.1.e246866.6","doi-asserted-by":"crossref","first-page":"100818","DOI":"10.1016\/j.inat.2020.100818","article-title":"Ica pseudoaneurysms and fistulas presenting as severe epistaxis: endovascular management","volume":"22","author":"Thota","year":"2020","journal-title":"Interdisciplinary Neurosurgery"},{"key":"2025082801553168000_15.1.e246866.7","doi-asserted-by":"crossref","first-page":"307","DOI":"10.1016\/j.injury.2015.09.015","article-title":"Endovascular treatment of traumatic internal carotid artery pseudoaneurysm","volume":"47","author":"Spanos","year":"2016","journal-title":"Injury"},{"key":"2025082801553168000_15.1.e246866.8","doi-asserted-by":"publisher","DOI":"10.3171\/2017.5.JNS162307"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2021-246866","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T08:55:37Z","timestamp":1756371337000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2021-246866"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2022,1]]},"references-count":8,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2022,1,20]]},"published-print":{"date-parts":[[2022,1]]}},"alternative-id":["10.1136\/bcr-2021-246866"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2021-246866","relation":{},"ISSN":["1757-790X"],"issn-type":[{"type":"electronic","value":"1757-790X"}],"subject":[],"published":{"date-parts":[[2022,1]]}}}