[Rectus abdominis muscle endometrioma: sparse tumor of scarred abdominal wall in a woman].

Muscular tumors in scared abdominal wall in a woman are unfrequent reason of counselling. In rare case these tumors are the result of ectopic graft of endometrial cells after abdominal or pelvic surgery with or without opening of uterus cavity. We report the case of a not typical abdominal wall endometrioma in the rectus abdominis muscle without variation of signs and volume related to menstruation ; Diagnosis was made by histological examination after carcinological excision because of recurrence and degeneration risk.