患者女,62岁。3个月前在当地医院体检发现肝囊性占位性病变,无腹痛、复胀,无发热及皮肤黄染等不适。专科体检未见异常。实验室检查均未见明显异常,甲胎蛋白(AFP)及糖类抗原19-9(CA19-9)等其它肿瘤相关抗原均阴性。B超:于肝左叶至右前叶探及一囊实性混合包块,大小8.6 cm×7.6 cm,边界尚清,形态欠规则,其内可见稍 Female patient, 62 years old. 3 months ago in the local hospital examination found cystic liver lesions, no abdominal pain, complex expansion, no fever and skin yellow dye discomfort. No abnormal physical examination. Laboratory tests showed no obvious abnormalities, AFP and carbohydrate antigen 19-9 (CA19-9) and other tumor-associated antigens were negative. B ultrasound: exploration of the left lobe of the liver to the right anterior leaf and a solid mixed mass, the size of 8.6 cm × 7.6 cm, the boundary is clear, the shape of irregular rules, which can be seen slightly