Question 1281
{"accessible":true,"alternatives":[{"id":6405,"text":"A"},{"id":6406,"text":"B"},{"id":6407,"text":"C"},{"id":6408,"text":"D"}],"archived":false,"correctAlternativeId":6407,"explanation":"\u003cp\u003e\u003cstrong\u003eMallet finger\u003c/strong\u003e\u0026nbsp;refers to injuries of the extensor mechanism of the finger at the level of the distal interphalangeal joint (DIP). They are the most prevalent finger tendon injury in sport. They may represent an isolated tendinous injury or occur in combination with an avulsion fracture of the basal distal phalanx.\u003c/p\u003e\u003cp\u003e\u003cbr\u003eNote the intra-articular fracture through the base of the distal phalanx of the 5th\u0026nbsp;finger. There is a 4mm triangular avulsion fragment at the insertion of the common extensor tendon with 3mm dorsal displacement\u003c/p\u003e\u003cp\u003eThe remaining cases do not involve the DIP.\u0026nbsp;\u003cbr\u003e\u003c/p\u003e","id":1281,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/968/Murph_4_case_no_2_big_gallery.jpeg","imageAttribution":{"kind":"external","attribution":"A) Bahman Rasuli, rID: 68094. B) Andrew Taylor, rID: 67456. C) Henry Knipe, rID: 31598. D) Tom O'Graphy, rID: 41772."},"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1284","nextQuestionPath":null,"relatedArticles":[{"id":17538,"title":"Mallet finger","link":"/articles/mallet-finger?lang=us"},{"id":20186,"title":"Volar plate avulsion injury","link":"/articles/volar-plate-avulsion-injury?lang=us"}],"alsoUsedIn":[{"id":354,"kind":"Course","title":"Trauma Radiology Course - Sydney - page 354","link":"https://radiopaedia.org/courses/trauma-radiology-course-sydney-2020/pages/354"},{"id":354,"kind":"Course","title":"Emergency Radiology Course - Melbourne - page 354","link":"https://radiopaedia.org/courses/emergency-radiology-course-melbourne-2020/pages/354"},{"id":354,"kind":"Course","title":"X-ray Interpretation: Hand Injuries - page 354","link":"https://radiopaedia.org/courses/x-ray-interpretation-hand-injuries/pages/354"},{"id":354,"kind":"Course","title":"X-ray Interpretation: Upper Limb Injuries - page 354","link":"https://radiopaedia.org/courses/x-ray-interpretation-upper-limb-injuries/pages/354"}],"stem":"\u003cp\u003eWhich of the following radiographs demonstrate a mallet finger injury?\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/1281"}],"attemptsPercentages":[{"alternativeId":"6408","percentage":1},{"alternativeId":"6405","percentage":4},{"alternativeId":"6407","percentage":93},{"alternativeId":"6406","percentage":2}],"promptToLogin":false,"questionManager":false,"articleId":"middle-phalanx-fracture"}