A 22-year-old woman with polycystic ovarian syndrome comes to the emergency department because of 2 hours history of right lower abdominal pain that began suddenly while she was running. Her last menstrual period was 2 weeks ago. Abdominal examination shows tenderness in the right lower quadrant with guarding. Urine pregnancy test is negative. Pelvic ultrasound shows a large simple cyst on the right ovary. Right ovarian artery flow is detectable on Doppler, but there is no flow detected in the right ovarian vein. Which of the following is the most likely diagnosis?

Question

Quizplus · Accepted Answer

Eductional Objective: Ovarian torsion typically occurs in reproductive-aged women due to rotation of the ovary around the infundibulopelvic (suspensory) and uteroovarian ligaments.  Patients typically have sudden-onset unilateral pelvic pain and a tender adnexal mass.

A 22-Year-Old Woman with Polycystic Ovarian Syndrome Comes to the Emergency