Introduction: Acquired ovarian torsion is an uncommon gynecologic emergency that afflicts women of reproductive age and requires correction by surgery. A rare complication of asymptomatic ovarian torsion can be necrosis and autoamputation of the adnexal structures.
Case Description: A 28-year-old nulliparous woman presented with irregular menses since puberty associated with dysmenorrhea, menorrhagia, and nausea, and that did not improve with trials of oral hormone therapy.