title: [Molecular biological study of cerebellar medulloblastoma and supratentorial primitive neuroectodermal tumors].
mesh_terms: D002528:Cerebellar Neoplasms / Q000235:genetics*; D002869:Chromosome Aberrations; D016259:Genes, myc; D019942:Genes, p16; D016158:Genes, p53; D006801:Humans; D008527:Medulloblastoma / Q000235:genetics*; D009154:Mutation; D018242:Neuroectodermal Tumors, Primitive / Q000235:genetics*; D015173:Supratentorial Neoplasms / Q000235:genetics*