Table 3.
Immunohistochemical expression of tumor markers.
| Immunohistochemical markers* | |
|---|---|
| NSE | 13/13 (100%) |
| ChromograninA | 39/39 (100%) |
| Synaptophysin | 31/31 (100%) |
| TTF1 | 22/25 (88%) |
| Thyroglobulin | 41/45 (91%) |
| Calcitonin | 12/23 (52%) |
| Cytokeratin20 | 6/7 (86%) |
| CD56 | 16/16 (100%) |
| Peptide YY | 9/9 (100%) |
| CDX2 | 3/5 (60%) |
| Serotonin | 4/7 (57%) |
| Glucagon | 8/10 (80%) |
| Pancreatic polypeptide | 6/6 (100%) |
*The common denominator of the proportions refers to the number of patients for whom the data is available.