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Case Reports in Obstetrics and Gynecology
Volume 2017, Article ID 7239018, 5 pages
https://doi.org/10.1155/2017/7239018
Case Report

Cystic Endometrioma with Coexisting Fibroma Originating in a Supernumerary Ovary in the Rectovaginal Pouch

1Department of Obstetrics and Gynecology, Juntendo University Nerima Hospital, Tokyo, Japan
2Department of Diagnostic Pathology, Juntendo University Nerima Hospital, Tokyo, Japan

Correspondence should be addressed to Daiki Ogishima; pj.ca.odnetnuj@ikiad

Received 13 November 2016; Accepted 4 January 2017; Published 22 January 2017

Academic Editor: Julio Rosa-e-Silva

Copyright © 2017 Daiki Ogishima et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

A supernumerary ovary is an exceedingly rare disorder, in which the structure containing ovarian tissue is located at some distance from the normally placed ovary. 16 cases of endometriosis or tumors originating in a supernumerary ovary have been published in the English literature, but no case of coexisting endometriosis and a tumor has been published. We present the case of a 40-year-old female with cystic endometrioma with coexisting fibroma originating in a supernumerary ovary in the rectovaginal pouch. The present case is the first to be reported with coexisting endometriosis and a tumor originating in a supernumerary ovary. Our experience with this case and the results of our previous studies of rectovaginal endometriosis indicated that the possibility of originating in a supernumerary ovary shall be examined in cases of cystic endometrioma in the rectovaginal pouch.