Diagnostic Tests Flashcards
Bilirubin 2-3 mg/dl
Jaundice
Hepatitis symtoms > 6 months
Chronic hepatitis
Why do you do liver biopsy?
- determining etiology
- Assessing degree of liver damage
Treatment of newborns to HBsAg positive mothers?
HBIG
Hep B vaccine
with-in 2-12 hours after birth
Primary Biliary Cirrhosis
AMA = Circulating anti-mitchondrial antibodies
Primary sclerosing cholangitis
p-ANCA
beading appearance on cholangiogram
Elevated Alk. Phos.
Elevated GGT
Cholestatic injury pattern
HFE mutation (C282Y)
Hereditary Hemochromatosis
Hereditary Hemochormatosis
Fasting transferrin saturation
Distinguishing primary and secondary hemochromatosis
Secondary- iron initially accumulates in Kupffer cells, not in hepatoctes
Wilson’s Disease
Low ceruloplasmin
Elevated 24 urine copper excretion
Mutation in ATP7B gene
Wilson’s Disease
When should you consider Wilson’s disease in a differential diagnosis?
Liver disease in anyone
Kayser-Fleischer rings
Wilson disease
*ring copper deposits at limbus of cornea
PAS + globules in liver
A1AT Deficiency
- misfolded gene product protein aggregates in hepatocellular ER
- Note different pathogenesis than lungs!!!!