患者女,44岁。因“体检发现左下腹包块20余天”于2010年9月25日入院。病程中无发热,无腹痛、腹胀、呕吐、腹泻、便秘等。入院前在新疆某农场务农工,此前曾至山东青岛等地务工,无明确疫水及放射性物质接触史,无结核病史,无腹盆 Female patient, 44 years old. Due to “physical examination found left lower quadrant mass more than 20 days ” on September 25, 2010 admitted. No fever during the course of the disease, no abdominal pain, bloating, vomiting, diarrhea, constipation and so on. Prior to admission to a farmer in Xinjiang farm workers, who had previously worked in Qingdao, Shandong and other places, no clear water and radioactive exposure history, no history of tuberculosis, no abdominal basin