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Immunohistochemistry result of the mass.
| Tumor marker | Results |
|---|---|
| SALL4 (Sal-like protein 4) | Negative |
| AFP (alpha-fetoprotein) | Negative |
| Glypican-3 | Weekly positive in some tumor cells |
| CD30 | Negative |
| CK7 (cytokeratin) | Negative |
| PAX8 | Positive in spindle cell components and glandular cells |
| S100 | Negative |
| Chromogranin | Positive |
| Synaptophysin | Negative |
| GFAP (glial fibrillary acidic protein) | Positive in some tumor cells |
| Inhibin | Negative |
| Calretinin | Negative |
| Cytokeratin AE1/AE3 | Negative |
