Hepatopancreatobiliary System Flashcards
Prognosis of fibrolamellar HCC vs HCC?
Often resectable and better Px (60% 5 year survival)
HCC: 30% 5 year survival
Most common cause of HCC?
Developing countries: Hep B, Hep C and aflatoxin
Western world: alcohol
Acute fatty liver of pregnancy?
Spectrum from mild hepatic dysfunction to failure, coma, death
Congenital deficiency causing defect in mitochondrial fatty acid oxidation
7 cm green tumour in liver with cirrhosis and UC?
HCC
Note cholangiocarcinoma is fibrous and has firm/ gritty consistency
Which cell causes excess collagen production in cirrhosis?
Hepatic stellate or Ito cell
Least likely to cause irregular bile ducts on ERCP?
SLE
Caroli disease and hepatic fibrosis?
Involves large IHBD without fibrosis
Fibrosis in PSC vs PBC?
PSC: periductal onion-skin fibrosis
PBC: portal fibrosis, nodular regeneration and cirrhosis
Most common cause of liver disease in pregnancy?
Cholestasis
Viral infections
Cholangiocarcinoma- differentiation and nodal mets?
Typically well to moderately differentiated
50-75 % have mets to regional nodes
Stains for Cu and Fe on liver histology?
Cu: Rhodamine stain
Fe: Prussian blue (blue-black colour)
Green tumour in non-cirrhotic liver?
Adenoma
DNA virus in liver?
Hep B (all others RNA)
Does acute pancreatitis cause hypocalcaemia?
YES
Precipitation of calcium salts in necrotic fat
Cholesterol vs pigment stones?
85% cholesterol (only 15% radio-opaque)
15% pigment (from unconjugated bilirubin- black 60% radio opaque and brown radiolucent)
Both have glycoprotein matrix