患者女,44岁。因经期腹痛进行性加重3月,发现盆腔包块月余入院。患者曾于2002年行胃癌切除术。影像表现:B超示盆腔两侧囊性包块,边界清,囊壁较厚,内部呈密集点状弱回声及分隔,双侧卵巢显示不清。CT扫描示双附件区各见一囊性病灶,壁较薄且厚薄均匀,囊内容物为液性(图1),CT值15~2 Female patient, 44 years old. Abdominal pain due to menstrual aggravate in March and found pelvic mass in more than a month admitted. Patients had gastric cancer resection in 2002. Imaging performance: B ultrasound showed pelvic mass on both sides of the pelvis, border clear, wall thicker, the interior was intensive weak echo and separation, bilateral ovarian unclear. The CT scan showed a cystic lesion in the double accessory zone, with a thin wall and a uniform thickness with a liquid content in the capsule (Figure 1) and a CT value of 15 to 2