The study entailed the use of CD99 monoclonal antibody and epithelial membrane antigen (EMA). It was found that all 38 ependymoma cases (classic and nonclassic) showed positive membranous and ...

[4] The present study has attempted to evaluate CD99 as a possible specific marker that could selectively differentiate ependymomas from other CNS tumors. Both CD99 and EMA were also evaluated ...