anaplastic ependymoma


Expand All | Collapse All

  • Clinical

    • more frequent in children intracranial ependymomas
    • WHO grade III

  • Histology

    • perivascular pseudorosettes
    • mitosis, vascular proliferation, pseudopalisading necrosis

  • Stains

    • positive: GFAP (may be reduced)
    • K67 high
    		•