What is the role of FNA in thyroid nodule diagnosis? Fine Needle Aspiration (FNA) is a minimally invasive procedure used to assess whether a thyroid nodule is benign or malignant. By admin|2024-10-22T21:45:50+00:00October 22, 2024|TIRADS| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail