[Sarcoma of the cytogenic chorion in extra-gonadal endometriosis. Review of the literature apropos of a case].

Malignant sarcoma reaching a focal endometriosis is a rare condition. It cannot be distinguished from an endometrial sarcoma except in cases which are developped in extra-uterine endometriosis without uterus involvement. The case reported is a forty-seven old white woman with a sarcoma of the endometrial stroma reaching a Douglas focal endometriosis. Cases from literature are reviewed.