Primary Sclerosing CholangitisPrimary Sclerosing Cholangitis Summary
Primary sclerosing cholangitis (PSC) is a chronic, progressive disease of the bile ducts that channel bile from the liver into the intestines. There is an association between primary sclerosing cholangitis and ulcerative colitis and Crohn's disease. Symptoms of primary sclerosing cholangitis include abnormal liver blood tests, itching, fatigue, and jaundice. Primary sclerosing cholangitis is treated with medications and in some cases, liver transplant.
Dennis Lee, MD
Dennis Lee, MD
Dr. Lee was born in Shanghai, China, and received his college and medical training in the United States. He is fluent in English and three Chinese dialects. He graduated with chemistry departmental honors from Harvey Mudd College. He was appointed president of AOA society at UCLA School of Medicine. He underwent internal medicine residency and gastroenterology fellowship training at Cedars Sinai Medical Center.
Primary sclerosing cholangitis facts
What is primary sclerosing cholangitis (PSC)?
Primary sclerosing cholangitis (PSC) is a chronic (lasting years and decades), progressive (worsening over time) disease of the bile ducts that channel bile from the liver into the intestines.
The liver performs many functions; one of them is manufacturing bile. Bile is a watery liquid made by the cells of the liver that is important for digesting food in the intestine, particularly fat, and ridding the body of toxins. Liver cells secrete the bile they make into small canals within the liver. The bile flows through the canals and into larger collecting canals (ducts) within the liver (the intrahepatic bile ducts). The bile then flows within the intrahepatic bile ducts out of the liver and into the extrahepatic bile ducts. From the extrahepatic bile ducts, the bile flows into the intestine where the bile mixes with food.
In primary sclerosing cholangitis, the intrahepatic and extrahepatic bile ducts become inflamed, scarred and thickened (sclerotic), narrowed, and finally obstructed. Obstruction of the ducts can lead to abdominal pain, itching, jaundice, infection in the bile ducts (cholangitis), and liver scarring that leads to liver cirrhosis and liver failure.
Medically Reviewed by a Doctor on 2/6/2014
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