A Case of Subdermal Localized External Endometriosis Caused to Abnominal Pain

Objective: endometriosis is the presence of functioning endometrial tissue outside the uterine cavity. we aimed to present this case so that endometriosis rarely occurs in the incisions after obstetrical surgery, case: 28-year-old female patient who underwent cesarean two years ago was admitted to the emergency department with complaints of abdominal pain and painful mass on the incision during the menses. the mass was excised and histopathology of the lesion was reported endometriosis. conclısion: endometriosis should be considered in patient’s differential diagnosis who had previously a cesarean section and have painful mass of abdominal incision during menses.