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Gynecol Minim Invasive Ther. 2019 Oct 24;8(4):176-178. doi: 10.4103/GMIT.GMIT_92_18. eCollection 2019 Oct-Dec.

Incidental Finding of an Accessory Ovary at Laparoscopic Surgery.

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Department of Obstetrics and Gynecology, Tomakomai City Hospital, Tomakomai, Hokkaido, Japan.


An accessory ovary is one of the rare gynecologic abnormalities of the female genital tract. The etiology of accessory ovary has been reported to be acquired origin, such as postsurgical or postinflammatory implants, and true embryologic origin. However, as in the present case with unremarkable medical history and no urogenital abnormalities, there are accessory ovaries that cannot be explained by these etiologies. In such cases, the etiology of accessory ovary might possibly be torsion of functional ovarian cyst during the fetal period or asymptomatic torsion of the functional ovarian cyst at some time after birth.


Accessory ovary; asymptomatic torsion; ectopic ovary; fetal functional ovarian cyst; laparoscopic surgery

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