Question 689
{"accessible":true,"alternatives":[{"id":3464,"text":"choroid plexus papilloma"},{"id":3465,"text":"diffuse midline glioma, H3 K27M–mutant"},{"id":3466,"text":"ependymoma, RELA fusion-positive"},{"id":3467,"text":"medulloblastoma, group 3 or 4"},{"id":3468,"text":"pilocytic astrocytoma"}],"archived":false,"correctAlternativeId":3465,"explanation":"\u003cp\u003eFeatures consistent of diffuse pontine glioma (histopathologically proved). Although information on the molecular characteristics of this tumor is not available, it is likely that it represents a \u003ca href=\"/articles/diffuse-midline-glioma-h3-k27mmutant\" title=\"Diffuse midline glioma H3 K27M–mutant\"\u003ediffuse midline glioma H3 K27M–mutant\u003c/a\u003e.\u003c/p\u003e","id":689,"imageUrl":"https://prod-images-static.radiopaedia.org/multiple_choice_questions/792/diffuse-pontine-glioma_big_gallery.jpeg","imageAttribution":{"kind":"case","rID":22777},"imageAttributionCaseInfo":{"title":"Diffuse pontine glioma","contributor_name":"Ahmed Abdrabou","contributor_param":"drabdrabou","case_rid":22777,"case_param":"diffuse-pontine-glioma"},"firstQuestionPath":"/questions/2590","nextQuestionPath":"/articles/diffuse-midline-glioma-h3-k27-altered/questions/688","relatedArticles":[{"id":1290,"title":"Ependymoma","link":"/articles/ependymoma?lang=us"},{"id":5335,"title":"Medulloblastoma","link":"/articles/medulloblastoma?lang=us"},{"id":8627,"title":"Choroid plexus papilloma","link":"/articles/choroid-plexus-papilloma-1?lang=us"},{"id":1876,"title":"Pilocytic astrocytoma","link":"/articles/pilocytic-astrocytoma?lang=us"},{"id":6450,"title":"Pediatric posterior fossa tumors (mnemonic)","link":"/articles/paediatric-posterior-fossa-tumours-mnemonic?lang=us"},{"id":6491,"title":"Diffuse brainstem glioma (historical)","link":"/articles/diffuse-brainstem-glioma-historical?lang=us"},{"id":6491,"title":"Diffuse brainstem glioma (historical)","link":"/articles/diffuse-brainstem-glioma-historical?lang=us"},{"id":46047,"title":"Supratentorial ependymoma ZFTA fusion-positive","link":"/articles/supratentorial-ependymoma-zfta-fusion-positive?lang=us"}],"alsoUsedIn":[],"stem":"\u003cp\u003eA 4-year-old girl presents with 1 month of impaired hearing, recurrent choking and headache. She is investigated with an MRI of the brain – see the accompanying T2 axial image. 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/689"}],"attemptsPercentages":[{"alternativeId":"3464","percentage":4},{"alternativeId":"3466","percentage":9},{"alternativeId":"3467","percentage":16},{"alternativeId":"3468","percentage":9},{"alternativeId":"3465","percentage":63}],"promptToLogin":false,"questionManager":false,"articleId":"diffuse-midline-glioma-h3-k27-altered"}