AUTHOR=Xie Jiayi , Liu Wengang , Zhou Jinguang , Zhou Ping TITLE=Additional diagnostic value of ratio indices of quantitative contrast-enhanced ultrasound parameters in small solid C-TIRADS 4 thyroid nodules JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1565400 DOI=10.3389/fonc.2025.1565400 ISSN=2234-943X