PMC3683444_01
Case 1:MRI abdomen pelvis revealed 5.5 x 5.4 x 4.9 cm mass and biliary ductal dilatation from extrinsic compression (black arrow).
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Magnetic resonance cholangiopancreatography (MRCP) revealed 5.5 x 5.4 x 4.9 cm mass and biliary ductal dilatation from extrinsic compression (Figure 1).
Case 1:hematoxylin and eosin stain of liver biopsy showing cells with large, hyperchromatic nuclei with scant cytoplasm and mitosis (black arrow).
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Case 1:percutaneous trans-hepatic cholangiography (PTC) with 8-French internal and external biliary drains.
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Percutaneous transhepatic cholangiography (PTC) was performed with successful internal and external biliary drain placement (Figure 3).
PMC3683444_02
Case 2:CT scan abdomen pelvis with infiltrating ill-defined liver mass involving the portal confluence and spleen mass (black arrows).
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CT abdomen was done revealing infiltrating liver mass involving the portal confluence with intrahepatic biliary dilatation, lesion in spleen, and absence of lymphadenopathy (Figure 4).
Case 2:hematoxylin and eosin stain (H&E) of liver biopsy (40X resolution) revealing diffuse large B cell lymphoma with pleomorphic cells with scant cytoplasm.
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CT guided liver mass core biopsy (Figure 5) reported diffuse large B cell lymphoma with stains positive for CD20 and CD79a and negative for CD10, cyclin D1, CD138, cytokeratin AE1/AE3, and S 100 protein.