Menstruation from the pfannenstial scar: A case of rare presentation of atypical endometriosis

Introduction: Endometriosis is the presence of functioning endometrium (gland and stroma) in sites other than uterine mucosa, usually in the pelvis, causing dysmenorrhea, dyspareunia, menstrual irregularities, and infertility.case report: A 27-year-old, had caesarean section 11 months ago presented to Obstetrics and Gynaecology clinic with cyclical bleeding from her surgical scar from ten months.she noted bleeding from the small nodule over the healed pfannenstial scar on day of her menses.Examination revealed a small reddish nodule 0.5 cmx0.5 cm, non-tender, with two blackish dots on it.transabdominal ultrasound examination revealed that the nodule confined at the subcutaneous tissue, above the rectus.