Question 1626
{"accessible":true,"alternatives":[{"id":8096,"text":"I"},{"id":8097,"text":"II"},{"id":8098,"text":"III"},{"id":8099,"text":"IV"},{"id":8100,"text":"V"},{"id":8101,"text":"VI"}],"archived":false,"correctAlternativeId":8098,"explanation":"\u003cp\u003eThe\u0026nbsp;\u003ca href=\"/articles/rockwood-classification-of-acromioclavicular-joint-injury\"\u003eRockwood classification\u003cstrong\u003e\u0026nbsp;\u003c/strong\u003e\u003c/a\u003eis the most common classification system in use for\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/acromioclavicular-injury?lang=gb\"\u003eacromioclavicular joint injuries\u003c/a\u003e.\u0026nbsp;\u003c/p\u003e\u003cp\u003eIn this case the injury is Rockwood type III, with\u0026nbsp;the right\u0026nbsp;\u003ca href=\"/articles/clavicle\"\u003eclavicle\u003c/a\u003e elevated above the superior border of the\u0026nbsp;\u003ca href=\"/articles/acromion\"\u003eacromion\u003c/a\u003e\u0026nbsp;with a\u0026nbsp;\u003ca href=\"/articles/coracoclavicular-distance\"\u003ecoracoclavicular distance\u003c/a\u003e\u0026nbsp;at 15 mm, less than twice normal (i.e. \u0026lt;25 mm). It usually associated with ruptured\u0026nbsp;\u003ca href=\"/articles/acromioclavicular-joint-1\"\u003eacromioclavicula\u003c/a\u003e and/or \u003ca href=\"/articles/coracoclavicular-ligament\"\u003ecoracoclavicular\u003c/a\u003e ligaments and joint capsule injury with\u0026nbsp;detachment of the\u0026nbsp;\u003ca href=\"/articles/deltoid-muscle\"\u003edeltoid\u003c/a\u003e and/or \u003ca href=\"/articles/trapezius-muscle\"\u003etrapezius\u003c/a\u003e\u0026nbsp;muscles.\u003c/p\u003e","id":1626,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/151/acromioclavicular-injury-rockwood-type-iii_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":67129},"imageAttributionCaseInfo":{"title":"Acromioclavicular injury - Rockwood type III","contributor_name":"Ammar Haouimi","contributor_param":"ammar-haouimi","case_rid":67129,"case_param":"acromioclavicular-injury-rockwood-type-iii"},"firstQuestionPath":"/questions/1626","nextQuestionPath":null,"relatedArticles":[{"id":25221,"title":"Clavicle","link":"/articles/clavicle?lang=us"},{"id":37566,"title":"Acromion","link":"/articles/acromion?lang=us"},{"id":33443,"title":"Coracoclavicular ligament","link":"/articles/coracoclavicular-ligament?lang=us"},{"id":41023,"title":"Trapezius muscle","link":"/articles/trapezius-muscle?lang=us"},{"id":23169,"title":"Deltoid muscle","link":"/articles/deltoid-muscle?lang=us"},{"id":843,"title":"Acromioclavicular joint injury","link":"/articles/acromioclavicular-joint-injury-1?lang=us"},{"id":38768,"title":"Coracoclavicular distance","link":"/articles/coracoclavicular-distance?lang=us"},{"id":845,"title":"Rockwood classification of acromioclavicular joint injury","link":"/articles/rockwood-classification-of-acromioclavicular-joint-injury?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich type of acromioclavicular joint injury is shown on this radiograph of the right shoulder, according to the\u0026nbsp;Rockwood classification?\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/1626"}],"attemptsPercentages":[{"alternativeId":"8096","percentage":7},{"alternativeId":"8097","percentage":17},{"alternativeId":"8100","percentage":7},{"alternativeId":"8101","percentage":3},{"alternativeId":"8098","percentage":51},{"alternativeId":"8099","percentage":16}],"promptToLogin":false,"questionManager":false,"articleId":"acromioclavicular-joint"}