<prompt> Schiller- Duval bodies is seen in:ChoriocarcinomaEmbryonal cell CaEndodermal sinus tumourImmature teratoma  <response>: Ans. c Endodermal sinus tumourRef: R 9thpg 977Yolk sac tumor or endodermal sinus tumor is the most common testicular tumor in infants and children 3 yrs of age. It has good prognosis 