الفهرس 
Gross anatomy of the liver & biliary treeOnly 14 pages are availabe for public view
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Abstract
In patients with suspected cholangiocarcinoma, early diagnosis is mandatory, in order to choose the appropriate therapeutic management. Cholangiocarcinoma can be classified as intrahepatic, perihilar or extrahepatic. Advances in MDCT and post processing software have driven the evolution of liver and biliary imaging. Indications for imaging now include evaluation of these patients, tumor staging, variants for surgical planning or establishing palliative treatment. It helps survey the entire abdomen for disease staging. The aim of this study is to evaluate the accuracy of the MDCT in detecting & staging cholangiocarcinoma. This study was performed at the radiodiagnosis department at the National Liver Institute of Menoufyia University. It included fifty patients with cholangiocarcinoma. The study was done with 20 slice multi detector CT using a three phase contrast protocol. The obtained results were compared to the results of histopathological and operative data in patients who underwent surgery. We examined the patients by MDCT using the triphasic technique with intravenous contrast. MDCT cholangiography with the post processing techniques (MPR and MinIP) was of great value in detecting the cause and the level of lesion. Regarding the level of lesion, MDCT detected twenty one cases with intrahepatic lesion, twenty seven cases with hilar lesion, one case with extrahepatic distal lesion and one case with mixed (intrahepatic & hilar) lesion. In all patients MDCT displayed the different parts of the liver & biliary system and localized the exact site of lesion. According to the morphology encountered at the site of lesion, MDCT was found highly specific in staging of cholangiocarcinoma.