of 21 personal observations of tumour seizures , in which the diagnosis of the neoplasm was missed at the first investigation in hospital , 9 were oligodendrogliomas , 5 astrocytomas , 3 glioblastomas , 2 spongioblastomas , 1 gangliocytoma and 1 a metastasis .
C0004114
astrocytomas
C0017636
glioblastomas