A Monocentric Retrospective Study about the Correlation between Histology and Cytology of Thyroid Indeterminate Nodules Classified as TIR 3A and TIR 3B, according to 2014 Italian Consensus for Classification and Reporting of Thyroid Cytology
Table 1
Diagnostic categories, expected risk of malignancy, and suggested management in 2014 ICCRTC classification [14].
Diagnostic category
Expected rate of malignancy (%)
Recommendation
TIR1
Not diagnostic
Undefined
FNA repetition after at least one month
TIR1C
Not diagnostic, cystic
Low, based on clinical features
Focused on clinical features and/or FNA repetition