患者,女,2 6岁,因上腹部饱胀不适3年入院。患者3年前无明显原因出现上腹部饱胀不适,无恶心呕吐,无腹痛腹泻,无寒战发热。查体:全身皮肤黏膜无黄染,上腹膨隆,剑突下可触及10cm×10cm质韧肿块,轻压痛,移动性浊音( -)。CT平扫示肝左叶低密度占位;增强扫描示动脉相不均一强化,密度 Patient, female, 26 years old, admitted to hospital for 3 years due to fullness in the upper abdomen. 3 years ago, patients with obvious causes of upper abdominal distention, no nausea and vomiting, no abdominal pain and diarrhea, no chills and fever. Physical examination: systemic skin and mucous membrane without yellow dye, abdominal bulging, xiphoid tou tou under the 10cm × 10cm quality tough mass, light tenderness, mobility dullness (-). CT plain showed the left lobe of liver low-density space-occupying; enhanced scan showed arterial phase uneven enhancement, density