thirty-nine cases of gliosarcomas , two initiating as fibrosarcomas , 25 as mixed gliomas and sarcomas , and 12 as anaplastic gliomas with secondary sarcomas , were studied by light microscopy , immunohistochemistry , using gfap , factor viii/rag , and ulex europaeus i agglutinin ( uea i ) , electron microscopy and tissue culture .
C0016057
fibrosarcomas
C1261473
sarcomas