[A 41 year-old female with abdominal pain and fever of 24 hours].

A 41 year-old female with intrauterine contraceptive device (ICD) from 8 year ago that complained fever and abdominal pain during 24 hours and leucocytosis. The radiology examination tests showed cegal, appendiceal, and right ovary enlargement with swollen of fat adjacent. In the differential diagnosis should be include: appendicitis, diverticulitis, chronic inflammatory digestive disease or mesenterical adenitis. In the differential diagnosis included: ovarian neoplasm, endometriosis, ectopic pregnancy, ovarian torsion and pelvic inflammatory diseases. From pelvic infections, it is import consider pelvic inflammatory disease, genital tuberculosis and pelvic actinomycosis. With the antecedent of ICD, the clinic and the radiological finding as abdominal mass with invasion of adjacent structures and absence of adenopathy; the first diagnosis is a abdominopelvic actinomycosis and the second is a genital tuberculosis.