Evaluation of contrast-enhanced ultrasound-guided fine needle aspiration biopsy in thyroid nodule diagnosis: a study from two tertiary referral centers.
PURPOSE This study aimed to compare the final definitive diagnosis (FDD) rate and accuracy of contrast-enhanced ultrasound (CEUS)-guided fine-needle aspiration biopsy (FNAB) with conventional US-guided FNAB. METHODS A two-center study was conducted to compare the diagnostic performance of FNAB with or without CEUS gu...