of the histologically verified 126 ( 86 % ) neoplasms 41 ( 32 % ) were glioblastomas , 29 ( 23 % ) anaplastic astrocytomas , 30 ( 24 % ) benign astrocytomas and 26 ( 21 % ) oligodendrogliomas , mixed oligo-astrocytomas , ependymomas , medulloblastomas or gangliogliomas ;
C0017636
glioblastomas
C0004114
astrocytomas