A rare case of yolk sac tumor

Publication Date

2000

Document Type

Research

Abstract

Yolk sac tumors of the ovary are rare, highly malignant and highly aggressive tumors occurring in children and young adults. Presenting a case of a 32 year old gravida 0 who complained of intermittent left lower quadrant pain and an increasing size of a pelvic mass. She was managed by peritoneal fluid cytology with left oophorectomy + frozen section + total abdominal hysterectomy with left salpingectomy + bilateral lymph node dissection + infracolic omentectomy + adhesiolysis. Histopathology results revealed yolk sac carcinoma of the left ovary. Patient was diagnosed with stage III having a tumor limited to the ovary, with ascites present and malignant cells noted in peritoneal fluid and omentum. Microscopically, there was presence of Schiller Duval bodies which are pathognomonic of yolk sac tumors. Yolk sac tumor of the ovary arising in mature teratoma has not been reported in literature. Malignant transformation of mature cystic teratoma occur in only 0.17% to 3% and typically occurs in postmenopausal women.

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