Final answer:
The definitive treatment for endometriosis, if medical treatment fails, is surgery to remove the abnormal tissue. Laparoscopy is commonly used to visually inspect and remove endometrial growths. In some cases, hysterectomy may be recommended for a potential cure.
Step-by-step explanation:
The definitive treatment for endometriosis, if medical treatment fails, is surgery to remove the abnormal tissue. The most common surgical method used is laparoscopy, which involves the insertion of a tiny camera into the abdomen to visually inspect and remove the endometrial growths. In cases where the patient has completed childbearing, a hysterectomy may be recommended to remove the reproductive organs and provide a potential cure for endometriosis.