Which of the following is not a typical feature of autoimmune hepatitis?: (A) Interface hepatitis, (B) Emperipolesis, (C) Hepatic rosette formation, (D) Ground glass hepatocytes
Answer is D. "Ground glass" hepatocytes are seen in chronic hepatitis B. Diagnostic features of autoimmune hepatitis: Autoantibodies (ANA or ASMA or LKM > 1 : 80) IgG (or gammaglobulins) level >1.10 times normal limit Liver histology typical for autoimmune hepatitis Interface hepatitis, lymphocytic/lymphoplasmacytic infiltrates in poal tracts and extending in the lobule emperipolesis (active penetration by one cell into and through larger cell) hepatic rosette formation Absence of viral hepatitis