Pathology of the liver II Flashcards
what are the DNAs of the hepatitis viruses? what is the exception?
ssRNA
exception - hepatitis B - dsDNA
which hepatitis viruses will present asymptomatically with recovery and serological evidence only?
A, B, C, D co, E
which hepatitis viruses will present symptomatically with recovery and serological evidence only?
A, B, C, D co, E
which hepatitis viruses will present as chronic hepatitis with or without progression to cirrhosis?
B, C mostly, D superinfection
which hepatitis viruses will present as fulminant hepatitis with massive to submassive hepatic necrosis?
D co and super, E pregnant
what is the most common form of viral hepatitis?
A
what is the transmission for hepatitis A?
fecal oral
is there a carrier or chronic state for hepatitis A?
no
which hepatitis virus is the most common cause of cirrhosis ad hepatocarcinoma worldwide?
hepatitis B
what are the transmission routes for hepatitis B?
parenteral
sexual
vertical
what is the immunopathogenesis of chronic hepatitis B?
CD4 T cells
CD8 T cells
CD8 cytotoxic cells kill hepatocytes
what are the extrahepatic mainfestations of HBV?
glumerulonephritis - children
polyarteritis nodosa - adults
what is required for HDV to replicate?
HBsAg
what is superinfection?
surface carrier for hepatitis B
IgG forms to B, then IgM forms to D
what is the most common chronic liver disease?
hepatitis C
what are the transmission routes for hepatitis C?
parenteral
sexual
vertical