Endocrine Abstracts

Background: In 2014 a new Italian classification system of thyroid cytology divided the indeterminate TIR3 category in two groups, TIR3A and TIR3B, aiming to reduce unnecessary thyroidectomies. The reported risk of malignancy is: TIR3A: <10%, suggesting follow-up and possible FNA repetition after 6 months, and TIR3B: 15-30%, recommending surgery.Objectives: We aimed to: evaluate the histological prevalence of malignancy in TIR3A and TIR3B nodules in ...