Table 7.
Benign thyroid nodule | Recurrent thyroid cancer |
---|---|
US | US |
Features of ablated zone to detect the under-ablated portion with vascularity on color Doppler US | Features of ablated zone to detect the under-ablated portion with vascularity on color Doppler US |
Nodule volume | Tumor volume |
Symptom score | - |
Cosmetic score | - |
Laboratory tests | Laboratory tests |
Thyroid function testa) | Thyroid function test |
Serum TSH | Serum TSH |
Serum T3 | Serum T3 |
Serum fT4 | Serum fT4 |
Serum Tg, anti-Tg antibody | |
CT or MRIa) | CT or MRIa) |
Technetium99mTC pertechnetate or a 123I thyroid scanb) | - |
RFA, radiofrequency ablation; US, ultrasound; TSH, thyrotropin; T3, triiodothyronine; fT4, free thyroxine; Tg, thyroglobulin; CT, computed tomography; MRI, magnetic resonance imaging.
Selectively indicated.
Indicated for autonomously functioning thyroid nodules.