Question 1707
{"accessible":false,"alternatives":[{"id":8483,"text":"attached to the lunate"},{"id":8484,"text":"in rotatory subluxation "},{"id":8485,"text":"not attached to the lunate at all"},{"id":8486,"text":"rotating into flexion"}],"archived":false,"correctAlternativeId":8483,"explanation":"\u003cp\u003eDuring scaphoid non-union advanced collapse\u0026nbsp;the proximal scaphoid fragment usually \u003cstrong\u003eremains attached to the lunate\u003c/strong\u003e (which rotate together during extension), while the \u003cstrong\u003edistal scaphoid fragment rotates into flexion.\u0026nbsp;\u003c/strong\u003e\u003c/p\u003e\u003cp\u003eDuring scapholunate advanced collapse the scaphoid is not attached the lunate causing\u0026nbsp;rotatory subluxation of the scaphoid bone resulting in radioscaphoid malalignment, progressive chondromalacia, and osteoarthritis.\u003c/p\u003e","id":1707,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1707","nextQuestionPath":"/articles/scapholunate-advanced-collapse/questions/567","relatedArticles":[{"id":15201,"title":"Scaphoid non-union advanced collapse","link":"/articles/scaphoid-non-union-advanced-collapse-4?lang=us"}],"alsoUsedIn":[{"id":747,"kind":"Course","title":"Emergency Radiology Course - Melbourne - page 747","link":"https://radiopaedia.org/courses/emergency-radiology-course-melbourne-2022/pages/747"},{"id":747,"kind":"Course","title":"X-ray Interpretation: Wrist Injuries - page 747","link":"https://radiopaedia.org/courses/x-ray-interpretation-wrist-injuries/pages/747"},{"id":747,"kind":"Course","title":"Emergency Radiology Course - Brisbane - page 747","link":"https://radiopaedia.org/courses/emergency-radiology-course-brisbane-2022/pages/747"},{"id":747,"kind":"Course","title":"X-ray Interpretation: Upper Limb Injuries - page 747","link":"https://radiopaedia.org/courses/x-ray-interpretation-upper-limb-injuries/pages/747"}],"stem":"\u003cp\u003eDuring early scaphoid non-union advanced collapse (SNAC) the proximal scaphoid is typically...\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/1707"}],"attemptsPercentages":[{"alternativeId":"8484","percentage":26},{"alternativeId":"8485","percentage":11},{"alternativeId":"8486","percentage":14},{"alternativeId":"8483","percentage":49}],"promptToLogin":false,"questionManager":false,"articleId":"scapholunate-advanced-collapse"}