What cholangiocarcinoma

By | May 5, 2012

What is bile duct cancer, the liver produces bile ampulla of the sphincter can not close the bile into the intestine. Stored in the gallbladder bile and to be concentrated. When eating, the sphincter open, gallbladder contraction, a large number of bile into the intestine to help digestion. Gallbladder function is storage, concentration and contraction of bile emissions, does not produce bile.
Duct system is divided into intrahepatic and extrahepatic in two parts. Extrahepatic bile duct is left and right intrahepatic bile ducts of the liver extending out of a bile duct, called the left and right hepatic duct.
Merged into left and right hepatic duct hepatic duct. Hepatic duct downward, and the cystic duct merged into the common bile duct. Down to the second paragraph of the common bile duct extending to the duodenum (descending segment), posterior wall of the duodenal lumen into the duodenum. Common bile duct openings in the duodenum (ie, the end of the common bile duct), called the ampulla. Around the ampulla, bile flows into the duodenum has sphincter control. When eating, the sphincter open, allowing the bile flows into the intestine, usually closed.
Malignant bile duct system, in addition to the gallbladder, its common feature is caused by biliary obstruction, bile into the blood, causing yellow disease.
What is bile duct cancer? Malignant bile duct system is an uncommon cancer, can occur in any part of the bile duct, intrahepatic or extrahepatic, the most common predilection sites in the bifurcation of hepatic duct (accounting for 60% -80 cases %). Part of it is less frequent distal common bile duct or intrahepatic bile duct, mainly referring to the extrahepatic biliary system cancer. According to the tumor site, known as the hepatic duct cancer, bile duct cancer, gallbladder, and ampullary cancer.

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