Endometriosis is defined as endometrial tissue outside the uterine cavity. Pelvic locations of the disease are more prevalent, but it also occurs in many extra-pelvic locations. Abdominal wall endometriosis is usually associated with the presence of scars, more often after cesarean or histerectomy (secondary abdominal wall endometriosis). Primary abdominal wall endometriosis is a rare condition, and occurs in p...