Table 2.
Results of the immunohistochemical examination
| NEC | WDEA | |
|---|---|---|
| AE1/AE3 | + | + |
| 34β-E12 | - | + |
| CAM 5.2 | ++ | ++ |
| EMA | + | + |
| CEA | - | - |
| ER | - | ++ |
| PgR | - | ++ |
| CD10 | ++ | - |
| CD56 | + | - |
| Chromogranin | - | - |
| Synaptophysin | + | - |
| S-100 | - | - |
| p16 | + | - |
| AKT1 | + | + |
| AKT1 (phospho S473) | + | + |
| PTEN | + | + |
| β-catenin | - | - |
NEC and WDEA indicate neuroendocrine carcinoma and well differentiated endometrioid adenocarcinoma, respectively
The intensity of immunohistochemical reactivity is expressed as ++representing strong intensity, + representing positive but not strong reactivity and, − representing negative