NAFLD (Non-Alcoholic Fatty Liver Disease) Activity Score
Diagnoses steatohepatitis, based on histology, in NAFLD patients.
INSTRUCTIONS
Use in patients who have had liver biopsy for NAFLD. The score should not be used as a surrogate for NASH diagnosis (see Brunt and Kleiner 2011 for details).
When to Use
<5%
05-33%
+134-66%
+2>66%
+3No foci
01 focus per 200× field
+12‐4 foci per 200× field
+2>4 foci per 200× field
+3None
0Few balloon cells
+1Many cells/prominent ballooning
+2Result:
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