Table 1.
Immunohistochemical markers for intraductal papillary mucinous neoplasm/intraductal tubulo-papillary neoplasm histopathological classification
| Type of lesion | Subtype | MUC1 | MUC2 | MUC5AC | MUC6 | CDX2 |
| IPMN | G | Negative | Negative | Positive1 | Negative | Negative |
| PB | Positive1 | Negative | Positive1 | Positive | Negative | |
| INT | Negative | Positive1 | Positive1 | Negative | Positive1 | |
| ONC | Positive | Negative | Positive | Positive1 | Negative | |
| ITPN | Positive | Negative | Negative | Positive1 | Negative |
IPMN: Intraductal papillary mucinous neoplasm; ITPN: Intraductal tubulo-papillary neoplasm; G: Gastric; PB: Pancreaticobiliary; INT: Intestinal; ONC: Oncocytic.
1
The positivity of a marker is very intense at the immunohistochemical level (++).