非酒精性脂性肝炎(NASH)系指发生一般性肝细胞损害(脂肪变性、坏死)伴中性粒细胞及单核细胞炎性浸润及明显纤维化改变,其病损表现与酒精性肝炎高度相似,但患者无饮酒史。流行病学 有关NASH准确的发病率及流行尚不知晓,但该病迄今有可能增加。尸检研究表明其发病率为 Non-alcoholic steatohepatitis (NASH) refers to the occurrence of general hepatocellular damage (steatosis, necrosis) with neutrophilic and monocyte inflammatory infiltration and significant fibrosis changes, the lesion performance is highly similar to alcoholic hepatitis , But the patient had no history of alcohol consumption. Epidemiology The precise incidence and prevalence of NASH are unknown, but the disease has so far been likely to increase. Autopsy studies have shown that its incidence was