pleomorphic xanthoastrocytoma


Expand All | Collapse All

  • Clinical

    • young age
    • site superficial hemispheres, involving meninges
    • WHO grade II

  • Histology

    • pleomorphic cytology, multinucleated giant cells
    • xanthomatous cells with fat vacuoles
    • PXA with anaplastic features if mitosis 5 per 10hpf or necrosis

  • Stains

    • GFAP+
    • Ki67 < 1%
    		•