common hepatic duct

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common hepatic duct

[¦käm·ən he′pad·ik ′dəkt]
(anatomy)
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In addition, cystic intrahepatic mass lesions may be identified; in some cases, direct communication with adjacent intrahepatic bile ducts may also be identified on imaging.
Biliary atresia is an inflammatory cholangiopathy of infancy that results in progressive fibrosis and obliteration of extrahepatic and intrahepatic bile ducts.
2] Caroli's disease is a much less frequent condition in which there is ectasia of the intrahepatic bile ducts.
PBC causes substantial loss of intrahepatic bile ducts, resulting in impaired bile flow (cholestasis) and progressive fibrosis that leads eventually to cirrhosis.
If US demonstrates dilated intrahepatic bile ducts and a hilar tumour is suspected, MRCP is the next investigation of choice, as more accurate non-invasive imaging of the level and extent of the bile duct obstruction is obtained (Fig.
Cholangiocarcinomas arise from the biliary ductal epithelium, most commonly in the bifurcation of the intrahepatic bile ducts.
This protocol applies to carcinomas of the intrahepatic bile ducts and mixed hepatocellular-cholangiocarcinoma.
CT findings of liver infestation by EA include heterogeneous hypodense areas without contrast enhancement, isodense areas with or without contrast enhancement, calcifications, pseudocystic necrotic areas, and dilatation of the intrahepatic bile ducts.
Carcinomas of the distal extrahepatic bile ducts, intrahepatic bile ducts, and well-differentiated neuroendocrine neoplasms (carcinoid tumors) are not included.
Tumors arising within the intrahepatic bile ducts or perihilar bile ducts are classified and staged using the liver tumor protocol or the perihilar bile duct protocol.
5,6) Cholangiocarcinoma has been reported to occur as a complication of Caroli disease, an extremely rare congenital disease of the intrahepatic biliary tree characterized by segmental cystic dilatation of the larger intrahepatic bile ducts, recurrent bacterial cholangitis, and biliary lithiasis.
Tumors of the Liver and Intrahepatic Bile Ducts is the 31st fascicle of the third series of the Atlas of Tumor Pathology, published by the Armed Forces Institute of Pathology.

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