the present study aimed at a systematic evaluation of the significance of gfap-containing cells in primitive neuroectodermal tumors ( pnets ) with special reference to the controversial entity of desmoplastic medulloblastoma ( so-called `` '' circumscribed arachnoidal sarcoma of the cerebellum '' '' ) .
C0751291
desmoplastic medulloblastoma
C0007765
cerebellu