18 yo f w/ 2 wk pelvic pain. CA-125 was 129. The tumor show focal CK cocktail, dot-like (+) EMA, (+) WT1 and SALL4, patchy (+) Synapto, focal (+) Calretinin and CD10. Chromo, CD56, PAX8, OCT3/4, CD30, Inhibin, SF1, CD45, Desmin, GFAP and Sox10 (-) cells. INI1 retained.