Question 2331
{"accessible":true,"alternatives":[{"id":11519,"text":"post-central gyrus"},{"id":11518,"text":"pre-central gyrus"},{"id":11517,"text":"the amygdala"},{"id":11516,"text":"the insula"}],"archived":false,"correctAlternativeId":11516,"explanation":"\u003cp\u003eThe insula is at the highest risk of ischaemia following MCA occlusion because of poor ACA and PCA collaterals.\u003c/p\u003e","id":2331,"imageUrl":"https://prod-images-static.radiopaedia.org/images/30149593/6945b35649cac0b1f34b0350254139_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":53105},"imageAttributionCaseInfo":{"title":"Loss of the insular ribbon sign","contributor_name":"Dario Giambelluca","contributor_param":"dariojambo","case_rid":53105,"case_param":"loss-of-the-insular-ribbon-sign"},"firstQuestionPath":"/questions/2331","nextQuestionPath":"/articles/loss-of-the-insular-ribbon-sign/questions/2318","relatedArticles":[],"alsoUsedIn":[{"id":1377,"kind":"Course","title":"Head CT: Graphic Novel - page 1377","link":"https://radiopaedia.org/courses/head-ct-graphic-novel/pages/1377"}],"stem":"\u003cp\u003eWhich of the following structures is most likely to have an abnormal appearance on CT head taken 2-4 hours after acute middle cerebral artery occlusion?\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/2331"}],"attemptsPercentages":[{"alternativeId":"11517","percentage":6},{"alternativeId":"11518","percentage":8},{"alternativeId":"11519","percentage":7},{"alternativeId":"11516","percentage":79}],"promptToLogin":false,"questionManager":false,"articleId":"loss-of-the-insular-ribbon-sign"}