Detection of IDH1 mutations in a series of 91 oligodendrogliomas: Comparison of immunohistochemistry, DNA sequencing, and allele-specific PCR.

2020 Background: IDH1 mutations have been indentified in about 70% of WHO grade 2 and 3 astrocytomas and oligodendrogliomas, conferring a better prognosis. The most frequent mutation leads to a spe...