The primary objective of this study is to evaluate the diagnostic performance of 18F-FDG PET/CT performed by normal care pathway in the identification of malignancy of undetermined resulting thyroid lesions at cytology (TIR3A and TIR3B) comparing the 18F-FDG PET/CT result with histological data. The secondary objective is to identify possible PET/ultrasound/genetic/radiomics variables that can more accurately define the potential malignancy of undetermined nodules and create a predictive model of malignity fed by standard parameters (derived from the normal care path). The identification of the prognostic value of 18F-FDG PET/CT in such patients setting could, in fact, make the PET useful in the future in the selection of patients for surgery/ follow-up.
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diagnostic performance
Timeframe: 6 years