School ager female with abdominal pain and an abdominal mass

Surgical image of ovarian dysgerminoma causing ovarian torsion
Surgical image (above) shows a mass arising from the left ovary. Surgical image (below) shows the left adnexal pedicle to be twisted in the center of the image. The mass and the left ovary and the fallopian tube were found to be torsed.

The diagnosis was ovarian dysgerminoma causing ovarian torsion.