Abstract
A premenarcheal 11-year-old girl with no experience of sexual intercourse had repeated lower abdominal pain since she was 7 years old. Imaging and blood tests on her first visit to our hospital showed no abnormal findings. However, she continued to experience intermittent right lower quadrant abdominal pain, and a year and a half later, presented with severe right lower abdominal pain. Transabdominal ultrasound examination and pelvic contrast MRI showed a pelvic mass of 10cm diameter with no blood flow to the right adnexal area. We suspected torsion of ovarian cyst, and performed laparoscopic surgery to obtain a definitive diagnosis. Laparoscopic surgery showed that her uterus and bilateral ovaries were normal in appearance, but only a stump of the left fallopian tube remained, and the right fallopian tube was twisted 1440 degrees. We performed right salpingectomy, and she was discharged three days after the surgery. Case reports of fallopian tube torsion or oviduct edema in women with no experience of sexual intercourse can be found in the literature, and laparoscopic examination should be considered for minors with repeated lower abdominal pain.
