Data
Clinical presentation: A 45-year-old woman was referred for evaluation of a thyroid nodule detected on screening.
Palpation: both lobes were firm. No nodule could be palpated.
Laboratory test: TSH 2.93 mIU/L, anti-TPO 307 U/mL.
Lesion in question:
the nodule in the dorsal part of the right lobe.