Caso 03

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%