Question 539
{"accessible":true,"alternatives":[{"id":2704,"text":"central neurocytoma"},{"id":2705,"text":"choroid plexus papilloma"},{"id":2706,"text":"ependymoma"},{"id":2707,"text":"intraventricular meningioma"},{"id":2708,"text":"subependymoma"}],"archived":false,"correctAlternativeId":2705,"explanation":"\u003cp\u003eThis is a typical location and appearance for a pediatric choroid plexus papilloma, typically found in the trigone of the lateral ventricles (unlike most other pediatric tumors, which are most commonly seen in the posterior fossa - e.g. ependymoma).\u0026nbsp;\u003c/p\u003e\u003cp\u003eSubependymomas and intraventricular meningiomas are usually encountered in older adults. Central neurocytomas are usually in the body of the lateral\u0026nbsp;ventricle, and usually in young adults.\u0026nbsp;\u003c/p\u003e","id":539,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/860/image0008_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":6304},"imageAttributionCaseInfo":{"title":"Choroid plexus papilloma","contributor_name":"Michael Sargent","contributor_param":"msargent","case_rid":6304,"case_param":"choroid-plexus-papilloma-2"},"firstQuestionPath":"/questions/2693","nextQuestionPath":"/articles/intraventricular-neoplasms-and-lesions/questions/538","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":1076,"title":"Central neurocytoma","link":"/articles/central-neurocytoma?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 four-year-old, previously well, presents with headaches and undergoes a contrast enhanced 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/539"}],"attemptsPercentages":[{"alternativeId":"2704","percentage":2},{"alternativeId":"2706","percentage":7},{"alternativeId":"2708","percentage":2},{"alternativeId":"2707","percentage":6},{"alternativeId":"2705","percentage":82}],"promptToLogin":false,"questionManager":false,"articleId":"intraventricular-neoplasms-and-lesions"}