All::Gastroenterology::Diseases::Autoimmune hepatitis
Intro
What patient groups is Autoimmune hepatitis most common?
most commonly seen in young females
What are the main clinical features of Autoimmune hepatitis?
- may present with signs of chronic liver disease
- acute hepatitis: fever, jaundice etc (only 25% present in this way)
- amenorrhoea (common)
What is the management of Autoimmune hepatitis?
- steroids, other immunosuppressants e.g. azathioprine
- liver transplantation
What are the recognised associations of Autoimmune hepatitis?
other autoimmune disorders, hypergammaglobulinaemia and HLA B8, DR3
What antibodies are found in Autoimmune hepatitis?
ANA/SMA/LKM1 antibodies, raised IgG levels
What is seen on liver biopsy in Autoimmune hepatitis?
inflammation extending beyond limiting plate 'piecemeal necrosis', bridging necrosis
What are the features of Type I Autoimmune hepatitis?
- Anti-nuclear antibodies (ANA) and/or anti-smooth muscle antibodies (SMA)
- Affects both adults and children
What are the features of Type II Autoimmune hepatitis?
- Anti-liver/kidney microsomal type 1 antibodies (LKM1)
- Affects children only
What are the features of Type III Autoimmune hepatitis?
- Soluble liver-kidney antigen
- Affects adults in middle-age