an antiserum derived against tissue cultured y-79 retinoblastoma cells was utilized in order to examine the surface and cytoplasmic antigens of the two brain tumors , histopathologically diagnosed as an embryonal cell carcinoma ( case 1 ) , a pinealoblastoma ( case 2 ) , and one ocular retinoblastoma .
C0015392
ocular
C0035335
retinoblastoma