diagnose different entities, in preventing over or under treatment of thyroid nodules. The
widespread use of this methodology can be confirmed if “thyroid fine needle aspiration” is
searched on PubMed, which results in over 5000 papers. In this manuscript, we aimed to
focus on pitfalls in the evaluation of thyroid aspirations, covering cystic, inflammatory lesions,
follicular lesions, oncocytic lesions, papillary carcinoma, and medullary carcinoma of thyroid.