the potential proliferative activity of these different neoplasms , evaluated as in vitro 3h-thymidine labeling index ( li ) , has been determined in 46 mature astrocytomas , 19 anaplasic astrocytomas , 25 glioblastomas , 5 cystic craniopharyngiomas , 6 metastatic tumors , 4 primary c.n.s . lymphomas , 3 pineal germinomas and one choroid plexus papilloma .
C0004114
astrocytomas
C0017636
glioblastomas