Question 778
{"accessible":false,"alternatives":[{"id":3947,"text":"areas of T2* signal loss consistent with hemorrhage"},{"id":3948,"text":"areas of SWI low signal consistent with calcification"},{"id":3949,"text":"irregular T2 signal with multiple small cystic areas"},{"id":3950,"text":"low ADC values in keeping with high cellularity"},{"id":3951,"text":"vivid homogeneous contrast enhancement"}],"archived":false,"correctAlternativeId":3951,"explanation":"\u003cp\u003eCentral neurocytomas are usually isointense to grey matter on T1 weighted imaging with heterogeneous mild-to-moderate contrast\u0026nbsp;enhancement. Typically iso- to somewhat hyperintense compared to brain on T2 weighted imaging with\u0026nbsp;numerous cystic areas (bubbly appearance), many of which completely attenuate on FLAIR. Prominent flow voids may be seen. Calcification is common as is\u0026nbsp;hemorrhage (especially in larger tumors). Central neurocytomas are quite cellular and have low ADC values.\u0026nbsp;\u003c/p\u003e","id":778,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/2693","nextQuestionPath":"/articles/central-neurocytoma/questions/610","relatedArticles":[],"alsoUsedIn":[],"stem":"\u003cp\u003eWhich of the following MRI features are \u003cstrong\u003eLEAST\u003c/strong\u003e consistent with a central neurocytoma?\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/778"}],"attemptsPercentages":[{"alternativeId":"3948","percentage":5},{"alternativeId":"3950","percentage":20},{"alternativeId":"3947","percentage":6},{"alternativeId":"3949","percentage":8},{"alternativeId":"3951","percentage":62}],"promptToLogin":false,"questionManager":false,"articleId":"central-neurocytoma"}