DAROUICHI.M , TILLE. JC, DUBUISSON. J, JOVANOVIC.S , Coexistence of Mature Cystic Teratoma and Endometrioma in an Ovarian Cyst, Journal of Digestive Disorders And Diagnosis, Volume 1, Issue 3, 2017, Pages 11-16, ISSN 2574-4526, https://doi.org/10.14302/issn.2574-4526.jddd-17-1498. (https://www.ijn-medicalarticles.info/digestive-disorders-and-diagnosis/article/coexistence-of-mature-cystic-teratoma-and-endometrioma-in-an-ovarian-cyst-560) Abstract: A rare association of mature cystic teratoma (MCT) with endometrioma in the left ovary is reported in English literature. Coexistence of MCT and endometrioma in the same ovary is extremely rare and its diagnosis is a challenge clinically and radiologically. To our knowledge we report the third case of coexistence of a nonneoplastic endometrioma and benign neoplastic mature cystic teratoma in an ovary. Keywords: Mature teratoma cystic; endometrioma; ovarian; US; MRI;