Question 573
{"accessible":false,"alternatives":[{"id":2869,"text":"ACL, MCL and lateral meniscus"},{"id":2870,"text":"ACL, MCL and medial meniscus"},{"id":2871,"text":"ACL, LCL and medial meniscus"},{"id":2872,"text":"PCL, MCL, and medial meniscus"},{"id":2873,"text":"PCL, MCL and lateral meniscus"},{"id":2874,"text":"PCL, LCL and lateral meniscus"}],"archived":false,"correctAlternativeId":2870,"explanation":"\u003cp\u003eThe O'Donoghue unhappy triad comprises three types of soft tissue injury that frequently tend to occur simultaneously in knee injuries. O'Donoghue described the injuries as:\u003c/p\u003e\u003col\u003e\n\u003cli\u003e\u003ca href=\"https://radiopaedia.org/articles/anterior-cruciate-ligament-tear\"\u003eanterior cruciate ligament (ACL) tear\u003c/a\u003e\u003c/li\u003e\n\u003cli\u003e\n\u003ca href=\"https://radiopaedia.org/articles/missing?article%5Btitle%5D=medial-collateral-ligament-mcl-tear\"\u003emedial collateral ligament (MCL) tear\u003c/a\u003e/sprain\u003c/li\u003e\n\u003cli\u003e\u003ca href=\"https://radiopaedia.org/articles/meniscal-tear\"\u003emedial meniscal tear (lateral compartment bone bruise)\u003c/a\u003e\u003c/li\u003e\n\u003c/ol\u003e","id":573,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1834","nextQuestionPath":null,"relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eWhat structures are injured in\u0026nbsp;O'Donoghue's unhappy triad?\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/573"}],"attemptsPercentages":[{"alternativeId":"2870","percentage":90},{"alternativeId":"2872","percentage":2},{"alternativeId":"2874","percentage":1},{"alternativeId":"2869","percentage":6},{"alternativeId":"2871","percentage":1},{"alternativeId":"2873","percentage":0}],"promptToLogin":false,"questionManager":false,"articleId":"odonoghue-unhappy-triad"}