Clinical data: a 62-year-old woman was referred for aspiration cytology. She was known harboring a thyroid nodule for a year when she underwent on PET CT scan and neck ultrasound because of breast carcinoma. The former did not reveal thyroid abnormality while the latter did it.

Palpation: there was a very firm nodule in the left lobe.

Functional state: euthyroidism with TSH 0.79 mIU/L.

The lesion in question was located in the left lobe.