Question 1794
{"accessible":true,"alternatives":[{"id":8912,"text":"atrial fibrillation"},{"id":8913,"text":"carotid dissection"},{"id":8914,"text":"atherosclerosis"},{"id":8915,"text":"fibromuscular dysplasia"},{"id":8916,"text":"venous infarct"}],"archived":false,"correctAlternativeId":8913,"explanation":"\u003cp\u003eThe presence of a \u003ca href=\"/articles/crescent-sign-of-arterial-dissection\"\u003ecrescent sign\u003c/a\u003e on fat-saturated T1 imaging surrounding the left carotid artery is consistent with a \u003ca href=\"/articles/internal-carotid-artery-dissection-1\"\u003ecarotid dissection\u003c/a\u003e. Although fibromuscular dysplasia may be the underlying cause/risk factor it does not account for the crescent of the mural hematoma.\u0026nbsp;\u003c/p\u003e","id":1794,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/284/FG_MCQ_my_copy__WIDE_.key_2_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":59213},"imageAttributionCaseInfo":{"title":"Traumatic carotid dissection","contributor_name":"Benedikt Beilstein","contributor_param":"axleigl","case_rid":59213,"case_param":"traumatic-carotid-dissection-1"},"firstQuestionPath":"/questions/1794","nextQuestionPath":"/articles/fibromuscular-dysplasia-1/questions/1793","relatedArticles":[{"id":931,"title":"Arteriosclerosis","link":"/articles/arteriosclerosis?lang=us"},{"id":6692,"title":"Internal carotid artery dissection","link":"/articles/internal-carotid-artery-dissection-1?lang=us"},{"id":63717,"title":"Carotid web","link":"/articles/carotid-web?lang=us"}],"alsoUsedIn":[{"id":784,"kind":"Course","title":"Stroke Learning Pathway - page 784","link":"https://radiopaedia.org/courses/stroke-learning-pathway/pages/784"},{"id":2121,"kind":"Course","title":"Stroke Learning Pathway - peer review - page 2121","link":"https://radiopaedia.org/courses/stroke-learning-pathway-peer-review/pages/2121"}],"stem":"\u003cp\u003eWhat is the most likely cause of this acute cerebral infarct?\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/1794"}],"attemptsPercentages":[{"alternativeId":"8913","percentage":72},{"alternativeId":"8912","percentage":4},{"alternativeId":"8915","percentage":6},{"alternativeId":"8916","percentage":7},{"alternativeId":"8914","percentage":10}],"promptToLogin":false,"questionManager":false,"articleId":"fibromuscular-dysplasia"}