Question 443
{"accessible":true,"alternatives":[{"id":2223,"text":"dysplastic cerebellar gangliocytoma"},{"id":2227,"text":"glioblastoma"},{"id":2226,"text":"hemangioblastoma"},{"id":2225,"text":"medulloblastoma"},{"id":2224,"text":"pilocytic astrocytoma"}],"archived":false,"correctAlternativeId":2223,"explanation":"\u003cp\u003eLhermitte-Duclos disease, also known as dysplastic cerebellar gangliocytoma, is a rare tumor of the cerebellum. It is probably hamartomatous, although the exact pathogenesis remains unknown. It\u0026nbsp;has a characteristic T2 appearance with striated preserved folial pattern.\u0026nbsp;\u003c/p\u003e\u003cp\u003eThis appearance\u0026nbsp;would not be consistent with any of the other alternatives, with perhaps \u003ca href=\"/articles/medulloblastoma-shh-subgroup\"\u003emedulloblastoma - SHH variant\u003c/a\u003e\u0026nbsp;sometimes appearing somewhat similar but more nodular and with contrast enhancement. It is also far less common.\u0026nbsp;\u003c/p\u003e","id":443,"imageUrl":"https://prod-images-static.radiopaedia.org/images/6107452/3e253e962b3158bb613773d9bca6fc_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":28029},"imageAttributionCaseInfo":{"title":"Lhermitte Duclos disease","contributor_name":"Praveen Jha","contributor_param":"doctorjha","case_rid":28029,"case_param":"lhermitte-duclos-disease-5"},"firstQuestionPath":"/questions/865","nextQuestionPath":"/articles/dysplastic-cerebellar-gangliocytoma-1/questions/442","relatedArticles":[{"id":5335,"title":"Medulloblastoma","link":"/articles/medulloblastoma?lang=us"},{"id":1876,"title":"Pilocytic astrocytoma","link":"/articles/pilocytic-astrocytoma?lang=us"},{"id":4910,"title":"Glioblastoma, IDH-wildtype","link":"/articles/glioblastoma-idh-wildtype?lang=us"},{"id":1412,"title":"Hemangioblastoma (central nervous system)","link":"/articles/haemangioblastoma-central-nervous-system-2?lang=us"}],"alsoUsedIn":[{"id":163,"kind":"RestrictedPage","title":"Page 163 (in no courses)","link":"https://radiopaedia.org/admin/restricted_pages/163"}],"stem":"\u003cp\u003eA 36-year-old otherwise well male, presents with headaches. An MRI of the brain reveals the following lesion. 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/443"}],"attemptsPercentages":[{"alternativeId":"2226","percentage":4},{"alternativeId":"2224","percentage":2},{"alternativeId":"2225","percentage":8},{"alternativeId":"2223","percentage":83},{"alternativeId":"2227","percentage":3}],"promptToLogin":false,"questionManager":false,"articleId":"dysplastic-cerebellar-gangliocytoma"}