PT - JOURNAL ARTICLE AU - Mitchell Joseph Lycett AU - Sophie Dunkerton AU - Ferdinand Miteff TI - Internal carotid artery blister aneurysm rupture: a unifying diagnosis for massive epistaxis and unilateral embolic strokes AID - 10.1136/bcr-2021-246866 DP - 2022 Jan 01 TA - BMJ Case Reports PG - e246866 VI - 15 IP - 1 4099 - http://casereports.bmj.com/content/15/1/e246866.short 4100 - http://casereports.bmj.com/content/15/1/e246866.full SO - BMJ Case Reports2022 Jan 01; 15 AB - Concurrent epistaxis, embolic stroke and a ruptured internal carotid artery are rare but life-threatening delayed complications of cured nasopharyngeal squamous cell carcinoma. A timely diagnosis and effective management can be problematic. We report a case that highlights the unique diagnostic features of this presentation and contemporary endovascular treatment options available.