Liver metastasis from an ovarian Yolk-Sac-Tumor: A case report and review of the literature

The endodermal sinus tumor or Yolk sac tumor is a rare ovarian tumor that classically occurs in adolescents and young women, it is a histological type rarely found in clinical practice. We report the case of a 24-year-old woman presenting with an ovarian tumor of the endodermal sinus with hepatic metastasis revealed by a painful abdominal mass in the right hypochondrium associated with a deterioration of the general condition. The blood Alpha-Fetoprotein (AFP) level was 71,300 ng / ml. Abdominal magnetic resonance imaging revealed multiple liver nodules and masses, associated with a magma of secondary lymphadenopathy. The immunohistological study of the hepatic puncture biopsy allowed the diagnosis of a hepatic localization of an ovarian endodermal sinus tumor (Yolk-Sac-Tumor). The tumor was classified stage IV-B of the FIGO 2014 classification, which does not allow a curative approach. Chemotherapy treatment (BEP protocol) was started.