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Influence of presence/absence of serum TgAb on the diagnostic capacity of Tg-FNA
| Tg-FNA+a | Tg-FNA− | |
|---|---|---|
| Serum TgAb+b | ||
| Metastatic PTC (n = 13) | 12 | 1 |
| Lymphadenitis (n = 0) | 0 | 0 |
| Serum TgAb− | ||
| Metastatic PTC (n = 46) | 44 | 2 |
| Lymphadenitis (n = 9) | 0 | 9 |
aTg-FNA positive (Tg-FNA+) was defined as a Tg-FNA level ≥ 55.99 ng/mL for patients with thyroids and 9.71 ng/mL for patients without thyroids
bTgAb positive (TgAb+) was defined as a serum TgAb >60 IU/mL
