Torsion, Autoamputation, and Reimplantation of Viable Ovarian Dermoid Cyst

Alexis D. Greene, MD, Andrzej K. Breborowicz, MD, PhD, Anne Hardart, MD

Department of Obstetrics & Gynecology, St Luke’s Roosevelt Hospital Center, New York, NY, USA (all authors).

ABSTRACTIntroduction: Case reports of parasitic teratomas exist; however, most viable ovarian dermoids reimplant into the omentum. It is rare to report a viable ovary containing a dermoid that has undergone autoamputation and reimplantation in the posterior cul-de-sac.

Case Description: We report the case of a 48-year-old woman with a history of lower abdominal pain that was relieved with pain control and recurred 1 year later, prompting a diagnostic laparoscopy. Laparoscopy confirmed an ovarian dermoid cyst in the posterior cul-de-sac. Intraoperatively, the ovary containing the dermoid appeared viable; this was confirmed by histopathology.

Discussion: The mass found on laparoscopy can best be explained by torsion, autoamputation, and reimplantation of the ovary containing the mature cystic teratoma into the posterior cul-de-sac.

Key Words: Dermoid cyst, Ovarian torsion, Autoamputation, Teratoma.

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