Question 535
{"accessible":true,"alternatives":[{"id":2683,"text":"central neurocytoma"},{"id":2684,"text":"ependymoma"},{"id":2685,"text":"intraventricular meningioma"},{"id":2686,"text":"primary CNS lymphoma"},{"id":2687,"text":"subependymal giant cell astroctyoma"},{"id":2688,"text":"subependymoma"}],"archived":false,"correctAlternativeId":2687,"explanation":"\u003cp\u003eSubependymal giant cell astrocytomas (SEGA) are vividly enhancing masses in the region of the foramen of Monro\u0026nbsp;in the context of tuberous sclerosis. Radial glial bands and cortical tubers noted on the FLAIR as regions of high T2 signal.\u0026nbsp;\u003c/p\u003e\u003cp\u003eNone of the other alternatives would explain the white matter abnormalities.\u0026nbsp;\u003c/p\u003e","id":535,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/856/image0002_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":10400},"imageAttributionCaseInfo":{"title":"Tuberous sclerosis","contributor_name":"Hani M. Al Salam","contributor_param":"hanisalam","case_rid":10400,"case_param":"tuberous-sclerosis-8"},"firstQuestionPath":"/questions/1316","nextQuestionPath":"/articles/subependymoma/questions/534","relatedArticles":[{"id":1290,"title":"Ependymoma","link":"/articles/ependymoma?lang=gb"},{"id":4145,"title":"Intraventricular neoplasms and lesions","link":"/articles/intraventricular-neoplasms-and-lesions?lang=gb"},{"id":1076,"title":"Central neurocytoma","link":"/articles/central-neurocytoma?lang=gb"},{"id":1032,"title":"Lymphomas of the central nervous system","link":"/articles/lymphomas-of-the-central-nervous-system?lang=gb"},{"id":5888,"title":"Subependymal giant cell astrocytoma","link":"/articles/subependymal-giant-cell-astrocytoma?lang=gb"},{"id":1523,"title":"Intraventricular meningioma","link":"/articles/intraventricular-meningioma?lang=gb"},{"id":2224,"title":"Tuberous sclerosis","link":"/articles/tuberous-sclerosis?lang=gb"},{"id":21040,"title":"Intraventricular masses (an approach)","link":"/articles/intraventricular-masses-an-approach-1?lang=gb"}],"alsoUsedIn":[{"id":924,"kind":"Course","title":"2021 Virtual Conference Private Use - page 924","link":"https://radiopaedia.org/courses/2021-virtual-conference-private-use/pages/924"},{"id":924,"kind":"Course","title":"Radiopaedia 2021 - isoCME - page 924","link":"https://radiopaedia.org/courses/radiopaedia-2021-isocme/pages/924"}],"stem":"\u003cp\u003eA 20-year-old woman presents with headaches\u0026nbsp;and undergoes a contrast enhanced MRI. What is the most likely diagnosis?\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/535"}],"attemptsPercentages":[{"alternativeId":"2686","percentage":6},{"alternativeId":"2684","percentage":5},{"alternativeId":"2683","percentage":13},{"alternativeId":"2687","percentage":63},{"alternativeId":"2685","percentage":8},{"alternativeId":"2688","percentage":6}],"promptToLogin":false,"questionManager":false,"articleId":"subependymoma"}