NAFLD (Non-Alcohol Fatty Liver Disease) Activity ScoreLoading...Steatosis (grade): low- to medium-power evaluation of parenchymal involvement by steatosis< 5%05-33%+134-66%+2> 66%+3Inflammation (lobular): overall assessment of all inflammatory fociNo foci01 focus per 200x field+12-4 foci per 200x field+2> 4 foci per 200x field+3Liver cell injury (ballooning)None0Few balloon cells+1Many cells/prominent ballooning+2适用指征洞见与注意事项