A 48-Year-Old Woman Has Noted a Small Amount of Irregular

Multiple Choice

A 48-year-old woman has noted a small amount of irregular vaginal bleeding for the past 2 months. She has a pelvic examination that reveals no cervical lesions, and a Pap smear that shows no abnormal cells. Next, an endometrial biopsy is performed, and there is microscopic evidence for endometrial hyperplasia. An abdominal ultrasound reveals a solid right ovarian mass. Which of the following neoplasms is this woman is most likely to have?

A) Mature cystic teratoma
B) Choriocarcinoma
C) Sertoli-Leydig cell tumor
D) Fibrothecoma
E) Krukenberg tumor