“…The suprasellar or pineal dysgerminomas belong to a large group of tumors which originate from germ cells. Microscopically and ultrastructurally, intracranial dysgerminomas, pineal or suprasellar, have the same appearance as those from the gonads, mediastinum and retroperitoneum (Cravioto, Dart, 1973;Jellinger, 1973;Simson et al, 1968;Russell, Rubinstein, 1971;Marksberry et al, 1976).…”