Question 537
{"accessible":true,"alternatives":[{"id":2694,"text":"central neurocytoma"},{"id":2695,"text":"choroid plexus papilloma"},{"id":2696,"text":"ependymoma"},{"id":2697,"text":"intraventricular meningioma"},{"id":2698,"text":"subependymoma"}],"archived":false,"correctAlternativeId":2694,"explanation":"\u003cp\u003eThis is a typical appearance and demographic for a large central neurocytoma.\u0026nbsp;\u003c/p\u003e\u003cp\u003eEpendymomas and choroid plexus papillomas would be more likely in the fourth ventricle in this age group. Intraventricular meningiomas are homogeneous well-circumscribed masses, usually in the trigone. Subependymomas are usually smaller and seen in older individuals.\u0026nbsp;\u003c/p\u003e","id":537,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/858/image0003_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":4002},"imageAttributionCaseInfo":{"title":"Central neurocytoma","contributor_name":"Frank Gaillard","contributor_param":"frank","case_rid":4002,"case_param":"central-neurocytoma"},"firstQuestionPath":"/questions/2693","nextQuestionPath":"/articles/central-neurocytoma/questions/535","relatedArticles":[{"id":1290,"title":"Ependymoma","link":"/articles/ependymoma?lang=us"},{"id":4743,"title":"Subependymoma","link":"/articles/subependymoma?lang=us"},{"id":8627,"title":"Choroid plexus papilloma","link":"/articles/choroid-plexus-papilloma-1?lang=us"},{"id":4145,"title":"Intraventricular neoplasms and lesions","link":"/articles/intraventricular-neoplasms-and-lesions?lang=us"},{"id":1523,"title":"Intraventricular meningioma","link":"/articles/intraventricular-meningioma?lang=us"},{"id":21040,"title":"Intraventricular masses (an approach)","link":"/articles/intraventricular-masses-an-approach-1?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eA young adult, previously well, presents with headaches. They undergo a contrast-enhanced\u0026nbsp;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/537"}],"attemptsPercentages":[{"alternativeId":"2694","percentage":76},{"alternativeId":"2695","percentage":6},{"alternativeId":"2696","percentage":9},{"alternativeId":"2698","percentage":6},{"alternativeId":"2697","percentage":3}],"promptToLogin":false,"questionManager":false,"articleId":"central-neurocytoma"}