Clinical data: a 43-year-old woman was referred for follow-up examination. We met the patient for the first time first for 13 years when a hypoechogenic lesion was found on ultrasound examiantion. The dimensions of the lesion were 7x7x9 mm, width x depth x length, respectively. A repeat ultrasound was suggested in 5 years.

Palpation: no abnormality.

Functional state: euthyroidism (TSH 0.67 mIU/L, anti-TPO 8 U/mL).

The lesion in question was found in the lateral part of the right lobe.