Table 2.
Antibodies used for immunohistochemical labeling to differentiate cholangiocellular carcinoma (CCC) from hepatocellular carcinoma (HCC) (other than anti-FP2)
| Antibody | Source | Clone | Dilution | Cellular location |
|---|---|---|---|---|
| Anti-CK 7 | Dako Corp., Carpinteria, CA | OV-TL12/30 | 1:100 | Cytoplasmic |
| Anti-CK 19 | Dako Corp., Carpinteria, CA | RCK108 | 1:100 | Cytoplasmic |
| Anti-CEA | Dako Corp., Carpinteria, CA | Polyclonal | 1:400 | Cytoplasmic vs. pericanalicular |
| Hep Par 1 | Dako Corp., Carpinteria, CA | OCH 1E5.2.10 | 1:100 | Cytoplasmic, granular |
CK7: Cytokeratin 7; CK19: Cytokeratin 19, CEA: Carcinoembryonic antigen, Hep Par 1: Hepatocyte Paraffin 1. Selected cases were also stained with alpha-fetoprotein and CD10 (data not shown).