Medulloblastoma, Non-WNT/Non-SHH, Group 4

**Semantic type:** Neoplastic Process

**Definition:** Medulloblastoma not associated with activation of the WNT pathway or sonic hedgehog (SHH) pathway. MYC amplifications are absent. TP53 mutations are absent. Chromosome 17 abnormalities may be present.

**Synonyms:** - Medulloblastoma, group 4