Question 534
{"accessible":true,"alternatives":[{"id":2678,"text":"central neurocytoma"},{"id":2679,"text":"choroid plexus papilloma"},{"id":2680,"text":"ependymoma"},{"id":2681,"text":"subependymal giant cell astroctyoma"},{"id":2682,"text":"subependymoma"}],"archived":false,"correctAlternativeId":2682,"explanation":"\u003cp\u003eSubependymomas tend to present in middle-aged to older individuals and are most commonly seen in the fourth ventricle (50-60%) and\u0026nbsp;lateral ventricles (30-40%, usually frontal horns).\u0026nbsp;\u003c/p\u003e\u003cp\u003eCentral neurocytoma is a reasonable differential especially as this mass appears to arise from the septum pellucidum, however, they are more common in younger individuals.\u0026nbsp;\u003c/p\u003e\u003cp\u003eEpendymomas and choroid plexus papillomas are usually encountered in children, or younger adults, and both usually demonstrate more intense enhancement and are more frequently found in the fourth ventricle.\u0026nbsp;\u003c/p\u003e\u003cp\u003eSubependymal giant cell astrocytomas are vividly enhancing masses in the context of tuberous sclerosis.\u003c/p\u003e","id":534,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/855/image0000_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":19506},"imageAttributionCaseInfo":{"title":"Subependymoma","contributor_name":"Frank Gaillard","contributor_param":"frank","case_rid":19506,"case_param":"subependymoma-1"},"firstQuestionPath":"/questions/2068","nextQuestionPath":"/articles/subependymal-giant-cell-astrocytoma/questions/524","relatedArticles":[{"id":1290,"title":"Ependymoma","link":"/articles/ependymoma?lang=gb"},{"id":4743,"title":"Subependymoma","link":"/articles/subependymoma?lang=gb"},{"id":8627,"title":"Choroid plexus papilloma","link":"/articles/choroid-plexus-papilloma-1?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":21040,"title":"Intraventricular masses (an approach)","link":"/articles/intraventricular-masses-an-approach-1?lang=gb"}],"alsoUsedIn":[],"stem":"\u003cp\u003eA 70-year-old female, previously well, presents with vague headaches and undergoes a contrast enhanced\u0026nbsp;MRI. What is the most likely diagnosis?\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/534"}],"attemptsPercentages":[{"alternativeId":"2682","percentage":57},{"alternativeId":"2681","percentage":6},{"alternativeId":"2680","percentage":7},{"alternativeId":"2678","percentage":25},{"alternativeId":"2679","percentage":5}],"promptToLogin":false,"questionManager":false,"articleId":"subependymal-giant-cell-astrocytoma"}