Endometriosis coexisting with mature cystic teratoma in the same ovary and ectopic pregnancy of left fallopian tube: a rare coexistence.

A coexistence of endometriosis and mature cystic teratoma in the same ovary is a rare occurrence although such tumors of ovaries are said to be common in the reproductive age group. We report a case of fimbrial ectopic pregnancy combined with simultaneous ipsilateral ovarian presentation of endometriosis and mature teratoma.