Table 1.
Immunohistochemical Features of the Tumor
| Antibody | IHC Pattern |
|---|---|
| CK, CD117 | +, diffuse |
| CK7, CK5/6 | +, local |
| p63 | −, (focal weak staining) |
| Vimentin, CD99 | +, local |
| TTF-1, NapsinA | − |
| P40 | − |
| LCA | − |
| Syn, ChgA, CD56, NSE | − |
| FLI-1, TDT | − |
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