No abstract

Thyroid metastases are uncommon but can be detected more frequently with routine use of FNAB. Breast cancer is the most common tumour that metastasizes to the thyroid. They usually occur when there are metastases elsewhere, sometimes many years after the diagnosis of the original primary tumour and show poor prognosis in general.

Our data suggest that a cytologic diagnosis of focal thyroid FDG-PET incidentaloma regardless of SUV is mandatory considering the very high prevalence of thyroid malignancy.