Table 4 Expression of the immunohistochemical markers among the histotype of non-ampullary–duodenal carcinomas
Histotype (n) | Pancreatobiliary markers | Gastric markers | Intestinal markers | ||||
|---|---|---|---|---|---|---|---|
MUC1 | CK7 | MUC5AC | MUC6 | MUC2 | CDX2 | CK20 | |
Intestinal (7) | 2 (29) | 1 (14) | 3 (43) | 1 (14) | 5 (71) | 6 (86) | 6 (86) |
Pancreatobiliary (15) | 10 (67) | 11 (73) | 9 (60) | 10 (67) | 0 (0) | 3 (20) | 2 (13) |
Mixed (13) | 7 (54) | 8 (62) | 4 (31) | 1 (8) | 7 (54) | 7 (54) | 6 (46) |
Mucinous (1) | 0 (0) | 0 (0) | 1 (100) | 0 (0) | 1 (100) | 1 (100) | 1 (100) |
Poorly differentiated (2) | 0 (0) | 1 (50) | 2 (100) | 1 (50) | 1 (50) | 0 (0) | 1 (50) |
