局灶性脂肪肝也称为肝脏局灶性脂肪浸润，是脂肪肝的一种特殊类型及常见形式。各种原因使肝脏脂肪代谢功能发生障碍，致脂类物质的动态平衡失调，脂肪（甘油三酯与脂肪酸）在肝组织细胞内贮积量超过肝重量的５％以上，肝组织细胞脂肪化时，即称为脂肪肝，也称为肝脂肪浸润或脂 Focal fatty liver, also known as focal fatty infiltration of the liver, is a special type and common form of fatty liver. Various reasons make the liver dysfunction of fat metabolism, resulting in the dynamic imbalance of lipid substances, fat (triglycerides and fatty acids) in the liver cells within the storage volume of more than 5% of the liver weight, fatty liver cells , Known as fatty liver, also known as hepatic fat infiltration or fat