Özyurt, RamazanYüksel, Mehmet AytaçTemel, İlkbalAbalı, RemziBoran, Ahmet Birtan2022-05-112022-05-1120101304-85032148-094Xhttps://hdl.handle.net/20.500.11776/8244A 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.trinfo:eu-repo/semantics/closedAccessEmbryonal carcinomamixed germ cell ovarian tumorimmature teratomayolk sac tumorArticle114185189N/AWOS:000420620000009