Data
Clinical data: a 60-year-old woman referred for aspiration cytology. She has been known to harbor a thyroid nodule for 2 years. Aspiration cytology was repeatedly non-diagnostic.
Palpation: a firm nodule in the isthmus.
Functional state: euthyroidism with TSH 3.07 mIU/L.
Lesion in question:
the nodule in the isthmus.