A range of conditions can be mistaken for ovarian torsion, including appendicitis, ruptured ovarian cyst, ectopic pregnancy (pregnancy outside of the uterus), kidney infection (pyelonephritis ...

Most (90%) received an abdominal ultrasound in the ED, and 27% were evaluated with a CT or MRI. All patients were diagnosed with ovarian or tubal torsion in the operating room. The researchers ...