Panel of antibodies used
| Antigen | Source | Clone | Dilution | Digestion |
|---|---|---|---|---|
| CK7 | DakoCytomation, Glostrup, Denmark | OV-TL 12/30 | 1/2000 | Proteinase |
| CK20 | DakoCytomation | Ks20.8 | 1/100 | Proteinase |
| Villin | Novocastra, Newcastle upon Tyne, UK | CWWB1 | 1/100 | Citrate, pH 6.0 |
| CDX-2 | BioGenex, San Ramon, California, USA | CDX2-88 | 1/100 | Citrate, pH 6.0 |