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Ovarian torsion — MCCQE Part 1 MCQ

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HardPelvic PainOvarian torsionMCCQE Part 1

A 24-year-old woman presents with sudden left lower-quadrant pain and vomiting. Pregnancy test is negative. Pelvic ultrasound shows a 6 cm left ovarian cyst with enlarged ovary and reduced venous flow. She remains in severe pain despite analgesia. What is the most likely diagnosis?

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Correct answer: A — Ovarian torsion

Sudden unilateral pelvic pain with vomiting and an enlarged ovary around a cyst strongly suggests ovarian torsion. A negative pregnancy test makes ectopic pregnancy unlikely. PID usually has fever, discharge or cervical motion tenderness and is less abrupt.

Reference: SOGC adnexal torsion resources