DOI: 10.36347/sjmcr.2017.v05i01.019

Pages: 57-59

Endodermal sinus tumor (EST), also known as yolk sac tumor (YST), is a member of the germ cell tumor group. It is the second most frequent malignant ovarian germ cell tumor just after dysgerminoma, with an incidence of approximately 1% of ovarian malignancies. It usually occurs around the second decade of life. In this case report, a 19yrs old unmarried girl presented with complaints of pain and mass abdomen for two months with elevated tumor markers and ultrasound features suggestive of right malignant ovarian tumor, staging laparotomy proceeded with as uterus and the left ovary was found to be normal, right ovariotomy done; Histopathology report came as endodermal sinus tumor and patient is now on chemotherapy. This case is reported for its rarity.