患者女,68岁。因腹胀3个月余,无寒战、发热、腹痛、皮肤发红、呼吸急促、腹泻等。查体:上腹部巨大包块,大小约15cm×12cm,无触痛,活动性尚可,与周围组织无明显粘连。无腹肌紧张、反跳痛及压痛。实验室检查:肝肾功能及肿瘤标记物均正常。超声检查:肝内多发囊性病变(图1),较大约15.6cm×11.5cm,边界清,形态欠规则,无回声区不清晰,部分内可见分隔,内壁上可见不规则乳 Female patient, 68 years old. Due to bloating more than 3 months, no chills, fever, abdominal pain, redness, shortness of breath, diarrhea and so on. Physical examination: a huge abdominal mass, about the size of 15cm × 12cm, no tenderness, activity is acceptable, no obvious adhesions with the surrounding tissue. No abdominal muscle tension, rebound tenderness and tenderness. Laboratory tests: liver and kidney function and tumor markers were normal. Ultrasound: intrahepatic multiple cystic lesions (Figure 1), more about 15.6cm × 11.5cm, the border clear, the rules are irregular, anechoic zone is not clear, part of the visible separation, the inner wall of the visible irregular milk