Endocrine Abstracts

Objective: To determine whether the Korean-Thyroid Imaging Reporting and Data System (K-TIRADS) 4 nodules can be subcategorized by ultrasonography (US)-based stratification of malignancy risk, and to evaluate the diagnostic performance of the modified biopsy criterion based on the subcategorization of the K-TIRADS 4 category in a multicenter cohort.Materials and Methods: A total of 1,541 K-TIRADS 4 nodules (≥ 1 cm) with final diagnoses were include...