Question 567
{"accessible":false,"alternatives":[{"id":2841,"text":"avascular necrosis"},{"id":2842,"text":"fracture non-union"},{"id":2843,"text":"Preiser disease"},{"id":2844,"text":"scaphoid non-union advanced collapse"},{"id":2845,"text":"scapholunate advanced collapse"}],"archived":false,"correctAlternativeId":2841,"explanation":"\u003cp\u003eScaphoid complications include:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https://radiopaedia.org/articles/avascular-necrosis\"\u003eavascular necrosis\u003c/a\u003e\u0026nbsp;in ~30% (range 13-50%)\u003cul\u003e\n\u003cli\u003ethis most commonly involves the proximal portion as a result of arterial supply to the scaphoid entering distally\u003c/li\u003e\n\u003cli\u003enote\u0026nbsp;\u003ca href=\"https://radiopaedia.org/articles/preiser-disease\"\u003ePreiser disease\u003c/a\u003e\u0026nbsp;is the term used for non-traumatic avascular necrosis\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/li\u003e\n\u003cli\u003enon-union in 5-15% of all cases\u003c/li\u003e\n\u003cli\u003escaphoid non-union advanced collapse (SNAC\u0026nbsp;wrist)\u003c/li\u003e\n\u003cli\u003escapholunate advanced collapse (SLAC wrist)\u003c/li\u003e\n\u003c/ul\u003e\u003cp\u003ePreiser disease is idiopathic osteonecrosis of the scaphoid.\u0026nbsp;\u003c/p\u003e","id":567,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/567","nextQuestionPath":null,"relatedArticles":[{"id":9334,"title":"Preiser disease","link":"/articles/preiser-disease?lang=us"},{"id":17895,"title":"Scapholunate advanced collapse","link":"/articles/scapholunate-advanced-collapse?lang=us"},{"id":15201,"title":"Scaphoid non-union advanced collapse","link":"/articles/scaphoid-non-union-advanced-collapse-4?lang=us"},{"id":2021,"title":"Scaphoid fracture","link":"/articles/scaphoid-fracture?lang=us"},{"id":9334,"title":"Preiser disease","link":"/articles/preiser-disease?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following complications of scaphoid fractures is most common?\u0026nbsp;\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/567"}],"attemptsPercentages":[{"alternativeId":"2841","percentage":62},{"alternativeId":"2845","percentage":3},{"alternativeId":"2842","percentage":30},{"alternativeId":"2844","percentage":4},{"alternativeId":"2843","percentage":1}],"promptToLogin":false,"questionManager":false,"articleId":"scaphoid-non-union"}