Table 2.
Results for immunohistochemistry
| Primary Round cell | Lymph Node Metastasis | ||
|---|---|---|---|
| Round cell | Epithelial | ||
| AE1/AE3 | − | + (focal) | ++ |
| CAM5.2 | − | − | ++ |
| 34βE12 | − | − | +(focal) |
| CK5/6 | − | − | +(focal) |
| CK7 | − | − | − |
| CK20 | − | − | − |
| Vimentin | ++ | ++ | + (focal) |
| Myoglobin | − | − | − |
| CD30 | − | − | − |
| CD34 | ++ | ++ | ++ |
| LCA | − | − | − |
| EMA | − | − | ++ |
| CA19-9 | − | − | − |
| S100 | − | − | − |
| c-kit | − | − | − |
| LMP-1 | − | − | − |
| Chromogranin A | − | − | +(focal) |
| Synaptophysin | − | − | +(focal) |
| CD56 | − | − | + |
| SMARCB1 | ++ | ++ | ++ |
| MIB1 index | 19.7% | 70.1% | 0.5% |
EMA epithelial membrane antigen, LCA leukocyte common antigen