Question 612
{"accessible":false,"alternatives":[{"id":3068,"text":"anterior end of the posterior communicating artery"},{"id":3071,"text":"junction of the left and right posterior cerebral arteries"},{"id":3069,"text":"midpoint of the posterior communicating artery"},{"id":3070,"text":"posterior end of the posterior communicating artery"}],"archived":false,"correctAlternativeId":3068,"explanation":"\u003cp\u003ePCOM aneurysms, by convention, are those that arise anteriorly from the junction of the posterior communicating artery and the internal carotid artery. An aneurysm arising from the posterior end of the posterior communicating artery is known as a P1/P2 junction aneurysm.\u0026nbsp;\u003c/p\u003e","id":612,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2320","nextQuestionPath":null,"relatedArticles":[{"id":2119,"title":"Subarachnoid haemorrhage","link":"/articles/subarachnoid-haemorrhage?lang=gb"},{"id":986,"title":"Saccular cerebral aneurysm","link":"/articles/saccular-cerebral-aneurysm?lang=gb"},{"id":1130,"title":"Circle of Willis","link":"/articles/circle-of-willis?lang=gb"}],"alsoUsedIn":[],"stem":"\u003cp\u003eIntracerebral arterial aneurysms known as \"posterior communicating artery aneurysms\" arise from the...\u003c/p\u003e","menuLinks":[{"text":"Report problem with question","url":"https://docs.google.com/forms/d/e/1FAIpQLSfO3soWYhOjJ7yErSysyCe5V4A1CqW7WK3rDA7MtAkecMGqNw/viewform?entry.1624461248\u0026entry.553583435=https://radiopaedia.org/questions/612"}],"attemptsPercentages":[{"alternativeId":"3071","percentage":20},{"alternativeId":"3068","percentage":46},{"alternativeId":"3069","percentage":14},{"alternativeId":"3070","percentage":21}],"promptToLogin":false,"questionManager":false,"articleId":"posterior-communicating-artery"}