medulloblastoma classic medulloblastoma MONDO:0016712 Classic medulloblastoma is a histological variant of medulloblastoma, an embryonic malignancy, having a midline location, occurring most often in children and manifesting with variable symptoms such as headaches, nausea, vomiting and ataxia. Orphanet:251867 UMLS:C1707400 MEDGEN:353541 NCIT:C54039 icd11.foundation:1548011794 SCTID:699704002 GARD:0017216 classic medulloblastoma