A 21-year-old patient, complaining abdominal pain and abdominal mass admitted to the clinic. Abdominal ultrasound examination revealed a solid, smooth shaped central mass, 12x12 cm in diameter. MRI confirmed the left ovarian lesion. Patients blood AFP value was 702. A laparotomy was performed and a left ovarian 12x12cm in diameter solid mass was seen. Left salpingo oophorectomy was performed. According to the pathologic examination, the constituent were; yolk sac tumor 90%, embryonal carcinoma 5%, immature teratoma 5%. Patient received chemotherapy consisting bleomisin, etoposid, cisplatin (BEP protocol) postoperatively. New treatment approaches for these agressive tumors are needed.
Keywords: Embryonal carcinoma, mixed germ cell ovarian tumor, immature teratoma, yolk sac tumor