Table 2.
Comparison between immunohistochemical analysis of H3K27M mutations and tumor genotype in high-grade astrocytomas included in this study
| Genotype | Positive H3K27M staining | Negative H3K27M staining |
|---|---|---|
| H3K27 wild type | 0 | 84a |
| H3K27M | 48a | 0 |
aIncludes recurrences (3 H3K27M mutants and 11 wild types)