Table 2 Pathological and immunohistochemical characteristics of 9 cases of biliary cystic tumor
Case | Size (cm) | Type of cyst | Histological diagnosis | Tumor-cell type | PAS | HID | AB | MUC1 | MUC2 | MUC5AC | CA19-9 | CEA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 12.7 | Multilocular | Adenoma | Gastric | 3+ | 1+ | 3+ | − | − | 3+ | − | − |
2 | 20.0 | Multilocular | CIS in adenoma | Gastric | 3+ | 2+ | 3+ | − | − | 3+ | 2+ | − |
3 | 7.5 | Multilocular | CIS | Pancreaticobiliary | 3+ | − | 2+ | − | 1+ | 3+ | − | − |
4 | 3.7 | Multilocular | CIS | Pancreaticobiliary | 3+ | 1+ | 3+ | 2+ | − | 3+ | 3+ | 2+ |
5 | 3.0 | Multilocular | CIS | Oncocytic | 3+ | 2+ | 3+ | 1+ | 2+ | 3+ | 1+ | 1+ |
6 | 2.5 | Multilocular | CIS | Pancreaticobiliary | 3+ | 2+ | 3+ | 1+ | 2+ | 3+ | 2+ | − |
7 | 3.0 | Multilocular | CIS | Pancreaticobiliary | 3+ | − | 3+ | 2+ | − | 3+ | 1+ | − |
8 | 4.3 | Unilocular | Microinv mucinous ca | Pancreaticobiliary | 3+ | 2+ | 3+ | 2+ | 2+ | 3+ | − | − |
9 | 8.2 | Multilocular | Microinv mucinous ca | Pancreaticobiliary | 3+ | 1+ | 2+ | 1+ | − | 3+ | 1+ | − |
Total | 100% | 78% | 100% | 67% | 44% | 100% | 67% | 22% |
