Combined Hepatocholangiocarcinoma Associated with Humoral Hypercalcemia of Malignancy and Chronic Inflammatory Demyelinating Polyneuropathy

Figure 3

(a) Needle biopsy of the neoplasia showing t solid nests of hepatocarcinoma on the right side with strong cytoplasmic PAS stain and cholangiocarcinoma on the left, with ill formed glands (PAS stain, 1.4x original magnification). (b) Immunoperoxidase staining showed strong CK7 expression on the glandular neoplasia (left side) and negative stain on the hepatocellular carcinoma (right side). (c) Hep-Par1 staining showed a counter-opposite staining pattern (immunoperoxidase stains B and C, 1.4x original magnification).

(a)

(b)

(c)