<prompt> Schiller- Duval bodies is seen in -ChoriocarcinomaEmbryonal cell CaEndodermal sinustumourImmature teratoma  <response>: Ans. is c i.e., Endodermal sinus tumor o Yolk sac tumor endodermal sinus tumor or infantile embryonal carcinoma - Schiller - Duval bodies,o Leydig interstitial cell tumor - Reinke crystalloids.Note : - Rienke crystals are also seen in the hilus cell tumor of ovary. 