Question 427
{"accessible":false,"alternatives":[{"id":2144,"text":"better prognosis than periosteal osteosarcomas"},{"id":2142,"text":"most commonly present in the third decade"},{"id":2143,"text":"most common site is the diaphysis of long bones"},{"id":2146,"text":"originates from the outer layer of the periosteum"},{"id":2145,"text":"presents with painless mass"}],"archived":false,"correctAlternativeId":2143,"explanation":"\u003cp\u003eParosteal osteosarcomas are an uncommon subtype that most commonly occur at the metaphysis with the posterior distal femur being the most common location.\u0026nbsp;\u003c/p\u003e","id":427,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2233","nextQuestionPath":"/articles/osteosarcoma/questions/46","relatedArticles":[{"id":1847,"title":"Parosteal osteosarcoma","link":"/articles/parosteal-osteosarcoma-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eRegarding parosteal sarcomas, which is \u003cstrong\u003eFALSE\u003c/strong\u003e?\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/427"}],"attemptsPercentages":[{"alternativeId":"2146","percentage":16},{"alternativeId":"2143","percentage":48},{"alternativeId":"2145","percentage":14},{"alternativeId":"2144","percentage":11},{"alternativeId":"2142","percentage":10}],"promptToLogin":false,"questionManager":false,"articleId":"osteosarcoma"}