81 yo male with lumbar spine tumor
Immunos
- GFAP: Positive, patchy
- S100: Positive, patchy
- IDH1 (R132H): Negative
- ATRX: Retained nuclear expression
- H3K27me3: Loss of nuclear expression
- EMA: Negative
- P53: <3%
- Ki67: <3%
81 yo male with lumbar spine tumor
Immunos