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A cerebral angiogram showed contrast extravasation at the junction of the posterior communicating artery (Pcom) and the right posterior cerebral artery (PCA), with an expanding pseudoaneurysm. This was managed with N-butyl cyanoacrylate embolization. Autopsy showed microscopic recurrence of tumor into the PCA\/PCom region with invasion of the wall of the Pcom. This case report illustrates the concept of vascular blowout in intracranial cerebral vasculature. It appears that, in the presence of risk factors that contribute to weakening of vessel walls (surgery, radiation, tumor recurrence), a blowout can occur intracranially.<\/jats:p>","DOI":"10.1136\/bcr-2014-011192","type":"journal-article","created":{"date-parts":[[2014,4,19]],"date-time":"2014-04-19T09:47:51Z","timestamp":1397900871000},"page":"bcr2014011192","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Rare presentation of intracranial vascular blowout after tumor resection and radiation therapy"],"prefix":"10.1136","volume":"2014","author":[{"given":"Ali","family":"Alaraj","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mandana","family":"Behbahani","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Tibor","family":"Valyi-Nagy","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nathan","family":"Aardsma","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victor A","family":"Aletich","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2014,4,19]]},"reference":[{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.1","doi-asserted-by":"publisher","DOI":"10.1016\/j.ijrobp.2010.08.029"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.2","doi-asserted-by":"publisher","DOI":"10.1177\/019459988309100321"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.3","doi-asserted-by":"crossref","first-page":"677","DOI":"10.1288\/00005537-198105000-00001","article-title":"Complications of combined radiation therapy and surgery for carcinoma of the larynx and inferior hypopharynx","volume":"91","author":"Thawley","year":"1981","journal-title":"Laryngoscope"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.4","doi-asserted-by":"publisher","DOI":"10.1016\/S0741-5214(99)70042-X"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.5","doi-asserted-by":"publisher","DOI":"10.1016\/j.oraloncology.2003.12.005"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.6","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvs.2007.12.030"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.7","doi-asserted-by":"publisher","DOI":"10.1001\/archotol.1974.00780030245001"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.8","first-page":"14","article-title":"Carotid artery rupture in advanced head and neck cancer patients","volume":"10","author":"Kane","year":"1983","journal-title":"Oncol Nurs Forum"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.9","first-page":"666","article-title":"Cerebral embolism from left atrial myxoma leading to cerebral and retinal aneurysms: a case report","volume":"26","author":"Herbst","year":"2005","journal-title":"AJNR Am J Neuroradiol"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.10","doi-asserted-by":"publisher","DOI":"10.1016\/0090-3019(93)90173-X"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.11","doi-asserted-by":"publisher","DOI":"10.1097\/00006123-200107000-00031"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.12","doi-asserted-by":"publisher","DOI":"10.4103\/2152-7806.81725"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.13","doi-asserted-by":"publisher","DOI":"10.1097\/00005537-200203000-00004"},{"key":"2025042703250402000_2014.apr19_1.bcr2014011192.14","doi-asserted-by":"publisher","DOI":"10.1016\/j.wneu.2011.08.024"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2014-011192","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,4,27]],"date-time":"2025-04-27T10:25:14Z","timestamp":1745749514000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2014-011192"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2014,4,19]]},"references-count":14,"alternative-id":["10.1136\/bcr-2014-011192"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2014-011192","relation":{},"ISSN":["1757-790X"],"issn-type":[{"type":"electronic","value":"1757-790X"}],"subject":[],"published":{"date-parts":[[2014,4,19]]}}}