Table 2.
Tumor categories requiring molecular information for classification
| Adults or supratentorial location | Child and adolescence or infratentorial location | |
|---|---|---|
| Diffuse astrocytic and oligodendroglial tumors | IDH1/2 1p19q codeletion | H3 K27M |
| Ependymal tumors | RELA fusion | |
| Embryonal tumors | WNT/SHH INI-1, C19MC |
IDH: isocitrate dehydrogenase.