Florid Cystic Endosalpingiosis and Adenomyosis of the Uterus Mimicking Malignancy

A 46-year-old nullipara woman presented with a large abdominal mass. She had a history of myomectomy by laparotomy, uterine embolization, and hysteroscopic resection of an International Federation of Gynecology and Obstetrics II myoma. A pelvic ultrasonography showed a large uterus (17.1 × 11.1 × 12.0 cm) associated with a right anechoic multilobed mass measuring 16.5 × 7.2 cm. The woman refused magnetic resonance imaging because of...