Primary yolk sac tumor originating from the endometrium: A c
Yolk sac tumors (YSTs) are malignant germ cell tumors that secrete alpha-fetoprotein (AFP). These tumors commonly develop in infants, young children, and young women and often originate in the gonads. Primary endometrial YST is a very rare malignancy, and a primary endometrial YST in the absence of abnormal AFP levels is even rarer.

A 38-year-old woman presented with the chief complaint of prolonged menstruation and increased menstrual bleeding with a duration of more than 2 months. Postoperative pathology confirmed a diagnosis of endometrial YST with metastasis to the greater omentum (stage IVB).

The patient underwent a laparoscopic extrafascial hysterectomy, bilateral adnexectomy, pelvic lymphadenectomy, abdominal para-aortic lymphadenectomy, omentectomy, and appendectomy. Additionally, she received 6 courses of multidrug chemotherapy (bleomycin, etoposide, and cisplatin; BEP). After completing chemotherapy, the patient underwent regular follow-up examinations. No recurrence was noted during a 24-month follow-up period.

Source: Medicine: April 2019 - Volume 98 - Issue 15 - p e15144

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