The primary objective of this study was to determine the optimal ultrasound(US) follow-up timing after radiofrequency ablation(RFA) for benign thyroid nodules(BTNs),conducting a systematic review and meta-analysis of published data on volume reduction rate(VRR) outcomes across different follow-up intervals.Design and Methods: A systematic search of articles published up to January 17, 2025 identified studies reporting RFA treatment for BTNs. Characteristics of the study design, BTNs cohorts, and…