Question 2503
{"accessible":false,"alternatives":[{"id":12298,"text":"dawsons finger"},{"id":12299,"text":"gamekeeper's injury"},{"id":12300,"text":"jersey finger"},{"id":12301,"text":"mallet finger"},{"id":12302,"text":"trigger finger"}],"archived":false,"correctAlternativeId":12301,"explanation":"\u003cp\u003eInjury to the extensor apparatus of the distal interphalangeal joint of the finger results in a \u003ca href=\"/articles/mallet-finger\"\u003emallet finger\u003c/a\u003e. The injury may present as an isolated soft tissue injury, however can present with an associated avulsion fracture of the dorsal base of the distal phalanx, known as a \"mallet fracture\".\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003ca href=\"/articles/gamekeepers-thumb-2\"\u003eGamekeeper's thumb \u003c/a\u003eis a rupture of the ulnar collateral ligament of the 1st MCP joint.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003ca href=\"/articles/jersey-finger\"\u003eJersey finger \u003c/a\u003eoccurs when there is avulsion of the flexor digitorum profundus (FDP) tendon from the volar base of the distal phalanx. This injury is more commonly encountered in rugby players.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u003ca href=\"/articles/trigger-finger\"\u003eTrigger finger\u003c/a\u003e refers to sclerosing tenosynovitis of the\u0026nbsp;flexor digitorum superficialis\u0026nbsp;at the level of the A1 pulley.\u0026nbsp;\u003c/p\u003e\u003cp\u003eDawsons finger is a red-herring. You may enounter \u003ca href=\"/articles/dawson-fingers\"\u003eDawson fingers\u003c/a\u003e on an MRI brain study in a patient with multiple sclerosis.\u0026nbsp;\u003c/p\u003e\u003cp\u003e\u0026nbsp;\u003c/p\u003e","id":2503,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2503","nextQuestionPath":"/articles/jersey-finger/questions/1279","relatedArticles":[{"id":7384,"title":"Trigger finger","link":"/articles/trigger-finger?lang=gb"},{"id":17538,"title":"Mallet finger","link":"/articles/mallet-finger?lang=gb"},{"id":1367,"title":"Gamekeeper's thumb","link":"/articles/gamekeepers-thumb-2?lang=gb"}],"alsoUsedIn":[{"id":1349,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1349","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1349"},{"id":1200,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1200","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1200"},{"id":248,"kind":"LiveSchedule","title":"248","link":"https://radiopaedia.org/admin/live_schedules/248"},{"id":161,"kind":"LiveSchedule","title":"161","link":"https://radiopaedia.org/admin/live_schedules/161"},{"id":1279,"kind":"Course","title":"2022 Virtual Conference Private Use - page 1279","link":"https://radiopaedia.org/courses/2022-virtual-conference-private-use/pages/1279"},{"id":1279,"kind":"Course","title":"Musculoskeletal Lectures - page 1279","link":"https://radiopaedia.org/courses/musculoskeletal-lectures/pages/1279"}],"stem":"\u003cp\u003eWhich of the following results from an injury to the extensor apparatus of the finger?\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/2503"}],"attemptsPercentages":[{"alternativeId":"12300","percentage":5},{"alternativeId":"12302","percentage":9},{"alternativeId":"12301","percentage":77},{"alternativeId":"12298","percentage":3},{"alternativeId":"12299","percentage":6}],"promptToLogin":false,"questionManager":false,"articleId":"jersey-finger"}