Table 2.
Immunohistochemical staining in cholangiolocellular carcinomas and combined hepatocellular cholangiocarcinoma
| CD133 | CD44 | EpCAM | CK7 | CK19 | EMAa | |
|---|---|---|---|---|---|---|
| CLC | ||||||
| Case 1 | (+) | (+) | (+) | (+) | (+) | (++) |
| Case 2 | (+) | (+) | (+) | (+) | (+) | (++) |
| Case 3 | (+) | (+) | (+) | (+) | (+) | (++) |
| CHC | (−) | (+) | (−) | (+) | (+) | (+) |
CLC cholangiolocellular carcinoma, CHC combined hepatocellular cholangiocarcinoma, EpCAM epithelial cell adhesion molecule, CK7 cytokeratin 7, CK19 cytokeratin 19, EMA epithelial membrane antigen
aIn EMA, strongly positive (++) was that the stain showed the localization in apical surface of the tubules