Question 1970
{"accessible":true,"alternatives":[{"id":9802,"text":"type I"},{"id":9803,"text":"type II"},{"id":9804,"text":"type IIa"},{"id":9805,"text":"type III"}],"archived":false,"correctAlternativeId":9803,"explanation":"\u003cp\u003eType II is the most common and defined as a transverse fracture at the base of the odontoid, below the level of the transverse band of the cruciform ligament. It considered to be an unstable fracture with a high risk of non-union.\u003c/p\u003e\u003cp\u003eFor more details, please see the article: \u003ca href=\"/articles/anderson-and-dalonzo-classification-of-odontoid-process-fracture\" title=\"Anderson and D'Alonzo classification of odontoid process fracture\"\u003eAnderson and D'Alonzo classification of odontoid process fracture.\u003c/a\u003e\u003c/p\u003e","id":1970,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/357/AAA_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":9137},"imageAttributionCaseInfo":{"title":"Odontoid fracture (type II)","contributor_name":"Hani Makky Al Salam","contributor_param":"hanisalam","case_rid":9137,"case_param":"odontoid-fracture-type-ii-4"},"firstQuestionPath":"/questions/1970","nextQuestionPath":"/articles/anderson-and-dalonzo-classification-of-odontoid-process-fracture/questions/1809","relatedArticles":[{"id":6370,"title":"Odontoid fracture","link":"/articles/odontoid-fracture?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eAccording to the Anderson and D'Alonzo classification, which type of odontoid process fracture is shown on this selected coronal CT image (bone window)?\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/1970"}],"attemptsPercentages":[{"alternativeId":"9805","percentage":7},{"alternativeId":"9802","percentage":7},{"alternativeId":"9804","percentage":10},{"alternativeId":"9803","percentage":76}],"promptToLogin":false,"questionManager":false,"articleId":"anderson-and-dalonzo-classification-of-odontoid-process-fracture"}