Cholestasis
Alternate Names : Extrahepatic Cholestasis, Intrahepatic Cholestasis
Definition Cholestasis is any condition in which bile excretion from the liver is blocked, which can occur either in the liver or in the bile ducts.
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Overview, Causes, & Risk Factors
There are many causes of cholestasis.
Extrahepatic cholestasis (which occurs outside the liver) can be caused by bile duct tumors, strictures, cysts, diverticula, and other damage. Other potential causes for this type include stones in the common bile duct, pancreatitis, pancreatic tumor or pseudocyst, primary sclerosing cholangitis, and compression due to a mass or tumor on a nearby organ. Other causes may exist.
Intrahepatic cholestasis (which occurs inside the liver) can be caused by sepsis (generalized infection), bacterial abscess, drugs, total parenteral nutrition (being fed intravenously), lymphoma, tuberculosis, sarcoidosis and amyloidosis. Other causes of this form of the disorder include primary biliary cirrhosis, primary sclerosing cholangitis, viral hepatitis (A,B,C, etc.), alcoholic liver disease, pregnancy, Sjogren's syndrome and others.
Please refer to drug-induced cholestasis for further information on medications which may cause this problem.
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