Question 1809
{"accessible":true,"alternatives":[{"id":8988,"text":"type I"},{"id":8989,"text":"type II"},{"id":8990,"text":"type III"},{"id":8991,"text":"type IV"}],"archived":false,"correctAlternativeId":8989,"explanation":"\u003cp\u003eThere is an \u003ca href=\"/articles/odontoid-fracture\" title=\"Odontoid fracture\"\u003eodontoid fracture\u003c/a\u003e through the base of the dens\u0026nbsp;in keeping with a type II injury. Type I fractures involve the tip of the dens and type III fractures extend down into the C2 vertebral body. There is no type IV fracture.\u003c/p\u003e","id":1809,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/296/odontoid-fracture-type-ii-4_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":null,"relatedArticles":[{"id":6370,"title":"Odontoid fracture","link":"/articles/odontoid-fracture?lang=us"}],"alsoUsedIn":[{"id":804,"kind":"Course","title":"X-ray Interpretation: Cervical Spine - page 804","link":"https://radiopaedia.org/courses/x-ray-interpretation-cervical-spine/pages/804"},{"id":804,"kind":"Course","title":"Emergency Radiology Course - Melbourne - page 804","link":"https://radiopaedia.org/courses/emergency-radiology-course-melbourne-2022/pages/804"},{"id":804,"kind":"Course","title":"Emergency Radiology Course - Brisbane - page 804","link":"https://radiopaedia.org/courses/emergency-radiology-course-brisbane-2022/pages/804"}],"stem":"\u003cp\u003eAccording to the\u0026nbsp;Anderson and D'Alonzo\u0026nbsp;classification, which type of odontoid fracture\u0026nbsp;is seen on this PEG view?\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/1809"}],"attemptsPercentages":[{"alternativeId":"8989","percentage":76},{"alternativeId":"8991","percentage":2},{"alternativeId":"8988","percentage":4},{"alternativeId":"8990","percentage":18}],"promptToLogin":false,"questionManager":false,"articleId":"anderson-and-dalonzo-classification-of-odontoid-process-fracture"}