Question 86
{"accessible":false,"alternatives":[{"id":440,"text":"diffuse brainstem glioma"},{"id":441,"text":"ependymoma"},{"id":442,"text":"hemangioblastoma"},{"id":443,"text":"medulloblastoma"},{"id":444,"text":"pilocytic astrocytoma"}],"archived":false,"correctAlternativeId":443,"explanation":"\u003cp\u003ePediatric posterior fossa tumors\u0026nbsp;demonstrate a number of imaging characteristics that are helpful when making a diagnosis. Medulloblastomas tend to be highly cellular tumors\u0026nbsp;that demonstrate diffusion restriction.\u003c/p\u003e","id":86,"imageUrl":null,"imageAttribution":null,"imageAttributionCaseInfo":null,"firstQuestionPath":"/questions/1078","nextQuestionPath":"/articles/haemangioblastoma-central-nervous-system-2/questions/79","relatedArticles":[{"id":1290,"title":"Ependymoma","link":"/articles/ependymoma?lang=us"},{"id":5335,"title":"Medulloblastoma","link":"/articles/medulloblastoma?lang=us"},{"id":1876,"title":"Pilocytic astrocytoma","link":"/articles/pilocytic-astrocytoma?lang=us"},{"id":6491,"title":"Diffuse brainstem glioma (historical)","link":"/articles/diffuse-brainstem-glioma-historical?lang=us"}],"alsoUsedIn":[{"id":184,"kind":"Course","title":"Cases in Radiology: Brain - page 184","link":"https://radiopaedia.org/courses/cases-in-radiology-brain/pages/184"}],"stem":"\u003cp\u003eWhich pediatric posterior fossa brain tumor is most likely to demonstrate diffusion restriction?\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/86"}],"attemptsPercentages":[{"alternativeId":"440","percentage":4},{"alternativeId":"443","percentage":84},{"alternativeId":"442","percentage":3},{"alternativeId":"444","percentage":4},{"alternativeId":"441","percentage":4}],"promptToLogin":false,"questionManager":false,"articleId":"hemangioblastoma-central-nervous-system"}