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Liver histology for AIH: simplified criteria for the diagnosis of AIH [25].
| Typical histology (all three features must be present) |
interface hepatitis (lymphocytic/lymphoplasmacytic), emperipolesis, hepatic rosettes | Score 2 points |
| Compatible Histology | chronic hepatitis with lymphocytic infiltration, no emperipolesis and rosetting | Score 1 point |
| Atypical Histology | other features—e.g., steatohepatitis | Score 0 points |
