Endometriosis was first described by Rokitansky in 1860 and was defined as the presence and proliferation of endometrium outside the uterine cavity, commonest site being pelvis. Abdominal wall endometriosis mostly follows obstetrical and gynecological surgeries. The actual incidence of abdominal wall endometriosis is unknown but one series reported that only 6% of these were unrelated to scars. In another series the prevalence of surgically proven endometriosis in scars was 1.6%.
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