[An aggressive malignant embryonal neoplasm arising from the central nervous system. This category includes ependymoblastoma, medulloblastoma, and supratentorial primitive neuroectodermal tumor. ( NCI )]
UMLS (NCI) C0206663 Relation/PAR: Neoplasm of Neuroepithelial Tissue
Relation/CHD: Medulloblastoma
Neuroectodermal Tumors, Primitive, Peripheral