Question 2548
{"accessible":false,"alternatives":[{"id":12498,"text":"peroneus brevis tendon"},{"id":12499,"text":"peroneus longus tendon"},{"id":12500,"text":"tibialis anterior tendon"},{"id":12501,"text":"tiibialis posterior tendon"}],"archived":false,"correctAlternativeId":12499,"explanation":"\u003cp\u003eThe \u003cstrong\u003eos peroneum \u003c/strong\u003eis a small accessory bone of the foot located at the lateral plantar aspect of the cuboid within the substance of the \u003cstrong\u003eperoneus longus tendon\u003c/strong\u003e as it arches around the cuboid. It is very common and often confused with an avulsion fracture.\u003c/p\u003e\u003cp\u003eIt should be noted the location of the accessory bone is close to the cuboid; if the os peroneum is located posterior to this, it could be a peroneus longus tendon tear causing it to be displaced. \u003c/p\u003e","id":2548,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2548","nextQuestionPath":null,"relatedArticles":[{"id":7648,"title":"Os peroneum","link":"/articles/os-peroneum?lang=us"},{"id":50067,"title":"Peroneus brevis tear","link":"/articles/peroneus-brevis-tear?lang=us"}],"alsoUsedIn":[{"id":1420,"kind":"Course","title":"Emergency Radiology Course - Brisbane - page 1420","link":"https://radiopaedia.org/courses/emergency-radiology-course-brisbane-2022/pages/1420"},{"id":2021,"kind":"Course","title":"X-ray Interpretation: Foot \u0026 Ankle Injuries Peer Review - page 2021","link":"https://radiopaedia.org/courses/x-ray-interpretation-foot-ankle-injuries-peer-review/pages/2021"},{"id":2021,"kind":"Course","title":"X-ray Interpretation: Foot \u0026 Ankle Injuries - page 2021","link":"https://radiopaedia.org/courses/x-ray-interpretation-foot-ankle-injuries/pages/2021"}],"stem":"\u003cp\u003eThe os peroneum is a small accessory bone of the foot located with the substance of the...\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/2548"}],"attemptsPercentages":[{"alternativeId":"12498","percentage":39},{"alternativeId":"12501","percentage":4},{"alternativeId":"12500","percentage":3},{"alternativeId":"12499","percentage":55}],"promptToLogin":false,"questionManager":false,"articleId":"fibularis-longus-tendon-tear"}