Question 1440
{"accessible":true,"alternatives":[{"id":7181,"text":"A"},{"id":7182,"text":"B"},{"id":7183,"text":"C"},{"id":7184,"text":"D"},{"id":7185,"text":"E"},{"id":7186,"text":"F"}],"archived":false,"correctAlternativeId":7186,"explanation":"\u003cp\u003eThe basilar artery is located in the prepontine cistern, between the pons posteriorly, and the clivus and dorsum sellae (E) ateriorly. On T2 weighted imaging, a normal basilar artery will appear black due to signal void induced by arterial flow.\u0026nbsp;\u003c/p\u003e","id":1440,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/64/MCQ_image_template_Keynote_wide.001_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":22705},"imageAttributionCaseInfo":{"title":"Pineal cyst","contributor_name":"Frank Gaillard","contributor_param":"frank","case_rid":22705,"case_param":"pineal-cyst-8"},"firstQuestionPath":"/questions/1444","nextQuestionPath":"/articles/dorsum-sellae/questions/1439","relatedArticles":[{"id":4469,"title":"Basilar artery","link":"/articles/basilar-artery?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eOn this T2 weighted midline sagittal image, which letter indicates the basilar artery?\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/1440"}],"attemptsPercentages":[{"alternativeId":"7181","percentage":3},{"alternativeId":"7183","percentage":7},{"alternativeId":"7182","percentage":4},{"alternativeId":"7184","percentage":3},{"alternativeId":"7185","percentage":8},{"alternativeId":"7186","percentage":76}],"promptToLogin":false,"questionManager":false,"articleId":"dorsum-sellae"}