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Usage trends and performance characteristics of a “gene expression classifier” in the management of thyroid nodules: An institutional experience

The gene expression classifier (GEC; Afirma–Veracyte) has proven to be an effective triage modality in the management of thyroid nodules. We evaluate our institutional experience with GEC, specifically examining performance as a first line testing strategy versus in conjunction with repeat fine needle aspiration (FNA), usage trends based on clinical setting, and performance related to diagnostic categories of The Bethesda System for Reporting Thyroid Cytology (TBSRTC).