Table 2 Immunohistochemical Expression by Histological Classification
Positive cases (%) | ||||
|---|---|---|---|---|
| Â | Intestinal type | Pancreatobiliary type | Unusual type | P* |
| Â | (N = 16) | (N = 18) | (N = 9) | Â |
CK7 | 13 (81) | 17 (94) | 9 (100) | (p = 0.178) |
CK20 | 16 (100) | 4 (22) | 6 (67) | (p < 0.001) |
MUC1 | 6 (38) | 17 (94) | 7 (78) | (p < 0.001) |
MUC2 | 4 (25) | 2 (11) | 2 (22) | (p = 0.540) |
MUC5AC | 6 (38) | 8 (44) | 5 (56) | (p = 0.683) |
MUC6 | 7 (44) | 5 (28) | 5 (56) | (p = 0.341) |