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Ovarian torsion — RCPSC EM MCQ

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ModerateOB/GYN emergenciesOvarian torsionRCPSC EM

A 24-year-old has sudden right pelvic pain with vomiting. Pregnancy test is negative, WBC is 11, ultrasound shows an enlarged ovary with peripheral follicles and reduced venous flow. What is the most likely diagnosis?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: D — Ovarian torsion

Sudden unilateral pelvic pain with vomiting and an enlarged ovary with abnormal Doppler flow is most consistent with torsion.

Reference: SOGC adnexal torsion practice; emergency gynaecology standards