although the staining intensity with lectins was variable , tumor cells in five astrocytomas , three oligodendrogliomas , six ependymomas , and one gliosarcoma , were generally positive for con a , wga , and rca-1 , and negative for pna and uea-1 , whereas those in nine glioblastomas were usually positive for con a and wga and negative for rca-1 and pna as well as uea-1 .
C0004114
astrocytomas
C0017636
glioblastomas