Institution-specific risk of papillary thyroid carcinoma in atypia/follicular lesion of undetermined significance.

BACKGROUND The Bethesda System for Reporting Thyroid Cytopathology (BSRTC) is used in surgical decision-making according to malignancy risk in each category. Malignancy risk in atypia/follicular lesion of undetermined significance (AUS/FLUS) is estimated in BSRTC to be 5% to 15%, but institutional data have varied widely. METHODS We conducted a post-BSRTC… CONTINUE READING