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. 2012 Jul;85(1015):887–896. doi: 10.1259/bjr/21209407

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© 2012 The British Institute of Radiology

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A case of hilar intraductal cholangiocarcinoma. (a) Volume-rendering image from drip infusion cholangiography with CT (DIC-CT) obtained after stent placement demonstrates obstruction of the proximal left hepatic duct (arrow) with distal dilatation. (b) Axial intravenous contrast-enhanced CT (CECT) indicates tumour occupying the proximal left hepatic duct (arrow), while the right hepatic duct (arrowhead) remains intact. (c) Coronal minimum-intensity projection image of the intravenous CECT demonstrates a dilated paracaval portion branch (PC1) and SP branch (SP1) of the caudate lobe draining into the left hepatic duct. (d) Axial 4.0-mm-thick slab maximum-intensity projection image from DIC-CT depicting other caudate branches (PC2 and SP2) draining into B2 (black arrow). The branching pattern allowed for tumour resection with preservation of the right hepatic lobe.