[Value of Ultrasound-guided Core-needle Biopsy for Evaluating the Performance of Radiofrequency Ablation for Low-risk Papillary Thyroid Microcarcinoma]

Objective To investigate the clinical value of core-needle biopsy(CNB)for low-risk papillary thyroid microcarcinoma(PTMC)after radiofrequency ablation(RFA). Methods A total of 190 patients(including 142 females and 48 males,20-74 years old)with unifocal low-risk PTMCs[mean volume of(106.29±96.15)mm