肝脏是人体内最大的腺体,具有多种代谢功能。从脂类代谢来说,它是脂肪及脂肪酸代谢的重要器官,但却不是储存脂肪的器官。正常情况下,成年人肝脏内脂肪含量不足肝重的5％,若超过此即是所谓“脂肪肝”,占肝重的10—3O％者为轻度脂肪肝,占30—50％者为中度,超过50％者为重度。 脂肪肝的临床表现差异很大,轻者可无明显症状,或易被原发疾病所掩盖;重者可并发肝硬变而影响健 The liver is the largest gland in the human body and has a variety of metabolic functions. From the lipid metabolism, it is an important organ of fat and fatty acid metabolism, but it is not an organ that stores fat. Under normal circumstances, adult liver less than 5% of liver fat content, if more than this is the so-called “fatty liver”, accounting for 10-3O% of liver weight were mild fatty liver, 30-50% were Moderate, more than 50% were severe. Clinical manifestations of fatty liver vary widely, the light can be no obvious symptoms, or easily covered by the primary disease; severe cases can be complicated by cirrhosis and affect health