TABLE 11.  Major causes of cholestasis
Intrahepatic
Common
Viral hepatitis
Drugs
Alcoholic hepatitis ± cirrhosis
Less common
Primary biliary cirrhosis
Chronic hepatitis ± cirrhosis
Metastatic carcinoma
Cholestasis of pregnancy
Sepsis, TPN, etc.
Extrahepatic
Common
Common bile duct stone(s)
Pancreatic/periampullary cancer
Less common
Benign biliary stricture
Sclerosing cholangitis
Bile duct carcinoma
Benign pancreatic disease
Extrinsic duct compression