TY - GEN AU - Samar Abdelmonem Elsheikh AU - Ahmad Mahmoud Abdelaziz , AU - Samia Mohammad Gabal , AU - Soheir Mahmoud Mahfouz , TI - Immunohistochemical study of CD99 and EMA expression in ependymoma / PY - 2007/// CY - Cairo : PB - Samar Abdelmonem Elsheikh , KW - CD99 KW - CNS tumors KW - Ependymoma N1 - Thesis (Ph.D.) - Cairo University - Faculty Of Medicine - Department Of Pathology; Issued also as CD N2 - Tumors of the central nervous system neoplasms and include both benign malignant tumors the present study was done on a total of 79 cases of primary CNS tumour ER -