Table 2.
Immunohistochemical stains and fluorescent in situ hybridization results
| Case | TTF-1 | TG | PAX-8 | S100 | Mammaglobin | GATA-3 | DOG-1 | ETV6 FISH |
|---|---|---|---|---|---|---|---|---|
| 1 | − | − | +, f | + | + | +, f | +, f | + |
| 2 | − | − | − | + | + | ND | ND | + |
| 3 | − | − | + | + | + | + | + | + |
f focal, ND not done, − negative, + positive, TG Thyroglobulin, TTF-1 thyroid transcription factor-1