What is active surveillance for thyroid nodules? Active surveillance involves monitoring small thyroid nodules over time, delaying biopsy or surgery until they reach a certain threshold or show signs of progression. By admin|2024-10-22T21:46:31+00:00October 22, 2024|TIRADS| Share This Story, Choose Your Platform! FacebookXRedditLinkedInWhatsAppTumblrPinterestVkXingEmail