Academic Editor: N. Sugino

License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Inguinal endometriosis can present as a rare tumor when it occurs outside the abdomen and pelvis. We present a patient with a painful tumor in the right inguinal region, where its diagnosis was made before the operation. This enabled a conservative excisional surgery to be performed. The literature is reviewed and the diagnosis as well as management are discussed. 1. Case History A 48-year-old lady, gravida 3, para 3, presented with right inguinal mass associated with menometrorrhagia for eight weeks. Previously, she had regular monthly periods and no dysmenorrhea. She had a history of period pain at the groin during menses. On examination, the right inguinal mass measured 4 × 5 cm and was tender and relatively fixed. The cervix was normal and the uterus was bulky, mobile, and nontender. Pelvic ultrasound was normal, apart from a slightly bulky uterus. Endometrial sampling revealed