Most common cause of pyogenic liver abscess -
Ans. is 'b' i.e., Stricture of CBD Routes of infection to liverAlong the bile ducts (MC)Stone impacted in CBDStricture of CBD - benign, malignantCryptogenicVia the portal veinVia the hepatic arteryBy direct extensionFrom a subdiaphragmatic abscessFrom an empyema in chestFrom suppuratative cholecystitisFrom perinephric abscessPenetrating or blunt traumaAlso knowo MC organisms (Ref. Sabiston, Schwartz)Escherichia coliKlebsiella pneumoniaAlso noteo Sabiston 18th ed. writes that now there are 2 most common cause of liver abscess i.e. Cryptogenic and infections from the biliary tree. It writes- "Along with cryptogenic infections, infections from the biliary' tree are presently the most common identifiable cause of hepatic abscess ".
Diverticulitis
Stricture of CBD
Subdiaphragmatic abscess
Empyema in chest
Hepatic Tumors, Cysts, and Abscesses