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脂肪肝是指肝脏内中性脂肪过度积蓄所引起的肝病。通常情况下脂肪仅占肝重的4%~5%,其中大部分为磷脂,其次为中性脂肪,少量为胆固醇。由于营养过剩,特别是由于肝炎治疗中热量摄入和糖类摄入过多,可使中性脂肪在肝内过度积蓄,超过肝重的30%。早期和轻度的脂肪肝病人无明显症状,而且肝细胞的脂肪化经治疗和饮食控制可恢复正常。但严重的脂肪肝会影响肝功
Fatty liver refers to the liver caused by excessive accumulation of neutral fat in the liver. Normally, fat accounts for only 4% to 5% of liver weight, most of which is phospholipid, followed by neutral fat and a small amount of cholesterol. Due to overnutrition, especially due to caloric intake and excessive carbohydrate intake during hepatitis treatment, neutral fat can accumulate excessively in the liver, exceeding 30% of liver weight. Early and mild fatty liver disease patients no obvious symptoms, and fatty liver cells after treatment and diet control can return to normal. However, severe fatty liver can affect liver function