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RADIOLOGY: HEPATOBILIARY: Case# 33359: SCLEROSING CHOLANGIOCARCINOMA, ULCERATIVE COLITIS & S/P CHENOEMBOLIZATION/ ? CHOLECYSTITIS. The patient is a 35-year-old male who now presents with right upper quadrant pain and fevers. 1. Large low attenuation, heterogeneous mass in the right lobe of the liver with a smaller similar appearing lesion in the left lobe of the lesion. The most likely consideration in this patient would be cholangiocarcinoma. Other diagnostic considerations would be metastases, presumably from a GI malignancy, though none is identified on this CT scan. Lymphoma can give a similar appearance to the retroperitoneal para-aortic nodes, but the liver lesions would be atypical for lymphoma. These lesions would also be atypical for abscess. 2. Lymphadenopathy as described above. 3. Intrahepatic focal biliary ductal dilatation.

Peter Anderson