thirty-one brain tumor cases were investigated 12 non glial tumors ( 9 meningiomas and 3 metastatic tumors ) and 19 gliomas ( these were classified in 5 astrocytomas , 7 anaplastic astrocytomas and 7 glioblastomas , according to the malignancy ) .
C0004114
astrocytomas
C0017636
glioblastomas