DISEASES OF INTRAHEPATIC BILE DUCTS. LARGE DUCT BILIARY OBSTRUCTION, PRIMARY BILIARY CIRRHOSIS, PRIMARY SCLEROSING CHOLANGITIS. LARGE DUCT BILIARY OBSTRUCTION. Usually extrahepatic, rarely intrahepatic at porta hepatis. Causes - gallstones, tumours, strictures, biliary atresia.
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LARGE DUCT BILIARY OBSTRUCTION, PRIMARY BILIARY CIRRHOSIS, PRIMARY SCLEROSING CHOLANGITIS
Malignant epithelial tumours. Hepatocellular carcinoma. Hepatoblastoma. Cholangiocarcinoma. Bile duct cystadenocarcinoma.
Malignant non-epithelial tumours. Angiosarcoma. Other sarcomas and other tumours are rare.
Metastatic tumours. Comments:- Haemangioma is the most common benign tumour. Metastatic carcinomas are the most common of the malignant tumours. Hepatocellular carcinoma is the most common of the primary ones. Hepatoblastoma is the most common liver tumour in young children.