Table 3 Correlation between histological and immunohistochemical typing of non-ampullary–duodenal carcinomas based on the criteria proposed by Ang et al. for ampullary carcinoma
Histological typing | ||||||
---|---|---|---|---|---|---|
Intestinal | Pancreatobiliary | Mixed | Mucinous | Poorly differentiated | Total | |
(n=7) | (n=15) | (n=13) | (n=1) | (n=2) | (n=38) | |
Immunohistochemical typing | ||||||
Intestinal | 7 (100) | 1 (6) | 3 (23) | 1 (100) | 1 (50) | 13 |
Pancreatobiliary | 0 (0) | 7 (47) | 0 (0) | 0 (0) | 0 (0) | 7 |
Ambiguous | 0 (0) | 7 (47) | 10 (77) | 0 (0) | 1 (50) | 18 |