Autoimmune liver diseases Flashcards
PBC - definition
Damage to the bile ducts in the liver
Affects the small bile ducts
PBC - aetiology
Middle aged women
Background of fatty liver disease
PBC - clinical presentation
Asymptomatic Fatigue Jaundice Itch without rash Xanthelasma
PBC - investigations
+AMA
Cholestatic LFT’s (increased Alk phos, GGT)
PBC - management
Urseodeoxycholic acid - to change composition of bile and make it flow easier
Liver transplant
IMMUNOSUPPRESSANTS DONT WORK
PBC - pathology
Granulomas form around duct
Neutrophils
Bile duct loss
Chronic portal inflammation
PBC - disease progression
Bile duct loss Cholestasis Liver injury Inflammation Fibrosis Cirrhosis
PSC - definition
Damage to the bile ducts in the liver
Affects the medium and large bile ducts
PSC - aetiology
Males
UC
PSC - clinical presentation
Asymptomatic Jaundice Abdominal pain Fatigue Itch Rigors Hepatomegaly
PSC - investigations
Cholestatic LFTs
MRCP
Liver biopsy
PSC - management
Transplant
PSC - pathology
Onion skinning fibrosis around the bile ducts
Autoimmune hepatitis - aetiology
Young women
Chronic hepatitis
Autoimmune hepatitis - types
TYPE 1
- more common
- affects adults
- extrahepatic manifestations
- ASMA, ANA
TYPE 2
- less common
- children
- AMA