Cytologic atypia is predictive of increased risk of malignancy and BRAF mutations in thyroid follicular neoplasms (Bethesda category IV). - Dean MA; Emiliani F; Levy J; Rodrigues Simoes NJ; Coconubo DM; Gutmann E; Vaickus L; Marotti J; Kerr DA; Liu X (Journal of the American Society of Cytopathology, 2026)