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*LKM-1 = liver kidney microsomal type 1 antibody. | *LKM-1 = liver kidney microsomal type 1 antibody. | ||
=== | ===Microscopic=== | ||
Classification:<ref name=pmid19675998/> | Classification:<ref name=pmid19675998/> | ||
*Typical: | *Typical: | ||
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Notes: | Notes: | ||
*PAS may be useful - find plasma cells. (???) | *PAS may be useful - find plasma cells. (???) | ||
**Lots of plasma cells should prompt consideration of AIH. | |||
*Atypical Autoimmune hepatitis may have zone III involvment (lymphoplasmacytic infiltrate)<ref name=pmid19452572>Non-classical phenotypes of autoimmune hepatitis and advances in diagnosis and treatment. Czaja AJ, Bayraktar Y. World J Gastroenterol. 2009 May 21;15(19):2314-28. Review. PMID 19452572.</ref> and a normal IgG.<ref>FW. 21 September 2009.</ref> | *Atypical Autoimmune hepatitis may have zone III involvment (lymphoplasmacytic infiltrate)<ref name=pmid19452572>Non-classical phenotypes of autoimmune hepatitis and advances in diagnosis and treatment. Czaja AJ, Bayraktar Y. World J Gastroenterol. 2009 May 21;15(19):2314-28. Review. PMID 19452572.</ref> and a normal IgG.<ref>FW. 21 September 2009.</ref> | ||
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