Endometriosis in a postoperative scar

Endometriosis is seen in women during their reproductive age, where functional endometrial glands of the uterus and stromal component are observed outside the uterine cavity. Endometriosis in an operative scar is a rare event following mainly obstetric and gynecologic operation. Typical signs of scar endometriosis are cyclic pain and swelling tumor in the scar after obstetric or gynecologic operations. We present 24 cases of scar endometriosis with discussion and emphasis on variants of clinical signs, differential diagnostic, methods of treatment, and prevention.