Question 1283
{"accessible":true,"alternatives":[{"id":6413,"text":"A"},{"id":6414,"text":"B"},{"id":6415,"text":"C"},{"id":6416,"text":"D"}],"archived":false,"correctAlternativeId":6415,"explanation":"\u003cp\u003eThis is a good\u0026nbsp;example of an epibasal fracture of the thumb (a.k.a. pseudo Bennett fracture). This two-part fracture of the first metacarpal base does not extend to the articular surface allowing distinction from a true Bennett fracture.\u0026nbsp; A Rolando fracture is a comminuted intra-articular fracture of the first metacarpal base while skier's thumb occurs at the first metacarpophalangeal joint due to an avulsion injury of the ulnar collateral ligament.\u0026nbsp;\u003c/p\u003e","id":1283,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/970/Murph_4_case_no_4_big_gallery.jpeg","imageAttribution":{"kind":"external","attribution":"A) Frank Gaillard, rID: 2966. Maulik S Patel, rID: 48712. C) Andrew Dixon, rID: 28560. D) Eduardo Bravo, rID: 55586."},"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1283","nextQuestionPath":"/articles/epibasal-fracture-of-the-thumb/questions/1282","relatedArticles":[{"id":984,"title":"Bennett fracture","link":"/articles/bennett-fracture?lang=us"},{"id":1991,"title":"Rolando fracture","link":"/articles/rolando-fracture?lang=us"},{"id":1367,"title":"Gamekeeper's thumb","link":"/articles/gamekeepers-thumb-2?lang=us"}],"alsoUsedIn":[{"id":358,"kind":"Course","title":"Trauma Radiology Course - Sydney - page 358","link":"https://radiopaedia.org/courses/trauma-radiology-course-sydney-2020/pages/358"},{"id":358,"kind":"Course","title":"Emergency Radiology Course - Melbourne - page 358","link":"https://radiopaedia.org/courses/emergency-radiology-course-melbourne-2020/pages/358"},{"id":358,"kind":"Course","title":"X-ray Interpretation: Hand Injuries - page 358","link":"https://radiopaedia.org/courses/x-ray-interpretation-hand-injuries/pages/358"},{"id":358,"kind":"Course","title":"X-ray Interpretation: Upper Limb Injuries - page 358","link":"https://radiopaedia.org/courses/x-ray-interpretation-upper-limb-injuries/pages/358"},{"id":602,"kind":"Course","title":"Lectures by Andrew Murphy - page 602","link":"https://radiopaedia.org/courses/lectures-by-andrew-murphy/pages/602"},{"id":602,"kind":"Course","title":"Radiopaedia 2020 - Lectures Only - page 602","link":"https://radiopaedia.org/courses/radiopaedia-2020-exclusive/pages/602"},{"id":602,"kind":"Course","title":"2020 Virtual Conference Private Use - page 602","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/602"},{"id":676,"kind":"Course","title":"Trauma \u0026 Emergency Radiology Course - page 676","link":"https://radiopaedia.org/courses/medical-mums/pages/676"},{"id":676,"kind":"Course","title":"Emergency Radiology Course - page 676","link":"https://radiopaedia.org/courses/emergency-radiology-course-online/pages/676"},{"id":676,"kind":"Course","title":"Emergency Radiology Course - Melbourne - page 676","link":"https://radiopaedia.org/courses/emergency-radiology-course-melbourne-2022/pages/676"},{"id":676,"kind":"Course","title":"Emergency Radiology Course - Brisbane - page 676","link":"https://radiopaedia.org/courses/emergency-radiology-course-brisbane-2022/pages/676"},{"id":676,"kind":"Course","title":"2020 Virtual Conference Private Use - page 676","link":"https://radiopaedia.org/courses/2020-virtual-conference-private-use/pages/676"}],"stem":"\u003cp\u003eWhich of the following radiographs demonstrates an epibasal thumb fracture?\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/1283"}],"attemptsPercentages":[{"alternativeId":"6413","percentage":9},{"alternativeId":"6414","percentage":7},{"alternativeId":"6415","percentage":81},{"alternativeId":"6416","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"epibasal-fracture-of-the-thumb"}