Table 2.
By Tumor Type | |
Anaplastic oligodendroglioma | 95% |
Obtain in 76%–100% of patients | 75% |
Obtain in 51%–75% of patients | 5% |
Obtain in 1%–50% of patients | 15% |
Never obtain | 5% |
Mixed glioma (oligoastrocytoma) | 92% |
Anaplastic astrocytoma | 33% |
Low-grade oligodendroglioma | 14% |
Glioblastoma | 7% |
By Methodology | |
FISH | 48% |
LOH | 29% |
Both FISH and LOH | 6% |
Unsure/not answered | 17% |
Abbreviations: FISH, fluorescence in situ hybridization; LOH, loss of heterozygosity.