Table 1.
Immunohistochemical staining results
| Antibody (Manufacture) | Tubular | Acinar | Solid | Ductal |
|---|---|---|---|---|
| CK7 (Roche) | 4+ | 4+ | 3+ | 3+ |
| CK20 (Roche) | 0 | 0 | 0 | 0 |
| CD10 (Roche) | 4+ | 0 | 0 | 2+ |
| Vimentin (Roche) | 4+ | 4+ | 0 | 2+ |
| Calretinin (Roche) | 2+ | 0 | 0 | 1+ |
| GATA3 (Nichirei) | 2+ | 0 | 0 | 1+ |
| Inhibin (DAKO) | 0 | 0 | 0 | 0 |
| ER (Roche) | 1+ | 0 | 0 | 0 |
| PR (Roche) | 0 | 0 | 0 | 0 |
| p16 (Roche) | 2+ | 2+ | 2+ | 4+ |
| PAX8 (BIOCARE) | 4+ | 4+ | 4+ | 4+ |
| CA125 (DAKO) | 4+ | 1+ | 4+ | 3+ |
| CA19–9 (Roche) | 3+ | 1+ | 2+ | 2+ |
| TTF1 (Roche) | 4+ | 4+ | 0 | 2+ |
| Napsin (Roche) | 1+ | 0 | 0 | 0 |
| WT1 (Roche) | 0 | 0 | 0 | 0 |
| Ki67 (Roche) | 4% | 3% | 40% | 50% |
| p53 (Roche) | 0 | 0 | 0 | 0 |
0: 0; 1+: <1% positive cells, 2+: 1–10% positive cells; 3+: 10–50% positive cells; 4+: >50% positive cells; Ki67: Ki67 labeling index