Reason of failed perianal fistula Treatment: Perianal Endometriosis

Endometriosis is theplacement of theendometrialtissue in anotherpart of the body. Most commonly involved in peritoneum, ovaries, douglas and rectovaginal septum. It can be placed in many parts of the body. Our case was evaluated at 26 years of age after failed perianal abscess and fistula surgery. The patient has pain, swelling and discharge in the perianal region. The stiffness in the perianal region was seen during surgery. The stiffness was totally excised. Histopathological examination revealed endometriosis. It should be kept in mind that endometriosis may occur in different regions from the usual localization.