-pilocytic astrocytomas-KIAA1549-BRAF gene fusions

-lower-grade astrocytomas (diffuse astrocytoma, anaplastic astrocytoma)-IDH1/2 and MGMT methylation

-Diffuse astrocytomas- TP53 and ATRX gene mutations. 

-Oligodendrogliomas–1p/19q co-deletion