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Expression of various antigens in each subset of the hepatocellular carcinoma
| HCC | CSC | Ductules | Ductular hepatocytes | Bile ducts | |
|---|---|---|---|---|---|
| Arginase | ++ | - | + | + | - |
| HepPar1 | +++ | - | + | ++ | - |
| AFP | - | - | - | - | - |
| CK7 | + | + | +++ | + | ++ |
| CK19 | - | - | + | - | + |
| EMA | - | - | + | - | + |
| CEA | - | - | - | - | - |
| KIT | - | - | - | - | - |
| CD34 | - | - | - | - | - |
| Oct3/4 | - | - | - | - | - |
| EpCAM | - | - | + | - | + |
| AB-PAS | - | - | - | - | + |
CK: cytokeratin. AB-PAS: alcian blue/PAS double staining for mucins. HCC: hepatocellular carcinoma. CSC: clusters of small cells.
