Question 1995
{"accessible":false,"alternatives":[{"id":9929,"text":"absent adjacent bone edema"},{"id":9930,"text":"high T2 signal"},{"id":9931,"text":"larger mass"},{"id":9932,"text":"older age"},{"id":9933,"text":"all the above"}],"archived":false,"correctAlternativeId":9933,"explanation":"\u003cp\u003eDistinguishing between a \u003ca href=\"https://radiopaedia.org/articles/chondroblastoma?lang=gb\"\u003echondroblastoma\u003c/a\u003e\u0026nbsp;and an epiphyseal \u003ca href=\"https://radiopaedia.org/articles/clear-cell-chondrosarcoma?lang=gb\"\u003eclear cell chondrosarcoma\u003c/a\u003e can be difficult. Helpful features which suggest a clear cell chondrosarcoma include:\u003c/p\u003e\u003cul\u003e\n\u003cli\u003eolder age (chondroblastomas tend to occur 10-20 years earlier)\u003c/li\u003e\n\u003cli\u003elarger mass\u003c/li\u003e\n\u003cli\u003eabsent adjacent bone edema\u003c/li\u003e\n\u003cli\u003ehigh T2 signal (solid component of chondroblastomas tend to be of an intermediate signal on all sequences)\u003c/li\u003e\n\u003c/ul\u003e","id":1995,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1995","nextQuestionPath":null,"relatedArticles":[{"id":6194,"title":"Clear cell chondrosarcoma","link":"/articles/clear-cell-chondrosarcoma?lang=us"},{"id":9259,"title":"Chondroblastoma","link":"/articles/chondroblastoma?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following features favor clear cell chondrosarcoma than chondroblastoma?\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/1995"}],"attemptsPercentages":[{"alternativeId":"9930","percentage":4},{"alternativeId":"9929","percentage":7},{"alternativeId":"9931","percentage":4},{"alternativeId":"9933","percentage":71},{"alternativeId":"9932","percentage":14}],"promptToLogin":false,"questionManager":false,"articleId":"chondroblastoma-vs-clear-cell-chondrosarcoma"}