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Fig. 4 | BMC Cancer

Fig. 4

From: Hepatocellular carcinoma with hilar bile duct tumor thrombus versus hilar Cholangiocarcinoma on enhanced computed tomography: a diagnostic challenge

Fig. 4

A patient with hilar cholangiocarcinoma (a-d). Hilar cholangiocarcinoma (white arrow heads) appears with thickened hilar bile duct wall, which shows hypoattenuation in plain CT image (a) and homogeneous enhancement with relative hyperattenuation in arterial phase (b) and portal venous phase (c). Diffused intrahepatic biliary dilation could be found (a-c). d (HE stain, original magnification× 40) The cholangiocarcinoma is grade II, accompanied with nerve invasion

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