“…Although the typical complaints of patients with pelvic endometriosis include dysmenorrhoea, menstrual irregularities, dyspareunia, and infertility, patients with extrapelvic endometriosis like inguinal endometriosis present with unusual symptoms and occasionally, a diagnostic dilemma [ 6 ]. Periodic menstrual pain at the mass is sometimes the primary complaint [ 3 , 10 , 11 ]. Patients often present with a painful lump in the groin and premenstrual tenderness and/or swelling [ 6 , 9 , 10 ].…”