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    • 超微血管成像技术在TI-RADS 4类甲状腺结节检测中的应用价值

    Zhang Libo,Zhang Bo,Cao Jing,Pu Hao

    Chinese Journal of Ultrasonography（2017）

    Cited 17|Views9
    Abstract
    目的 探讨超微血管成像技术(SMI)在TI-RADS 4类甲状腺结节中的诊断价值.方法回顾性分析经常规超声诊断为TI-RADS 4类并进行SMI的61例患者(共68个甲状腺结节)的资料,比较彩色多普勒血流显像(CDFI)与SMI对甲状腺结节微血管显示的差异.同时通过CDFI及SMI技术校正TI-RADS类别,比较校正前后的诊断效能,再进行危险因素评估.结果SMI与CDFI两种检测方法在显示良恶性结节血流丰富程度方面差异有统计学意义(P<0.01).SMI更易检测出恶性结节的Ⅲ类血流(P=0.001).TI-RADS校正前、CDFI校正后及SMI校正后得到的ROC曲线下面积分别为0.66、0.69及0.78.SMI校正后与TI-RADS校正前及CDFI校正后相比,ROC曲线下面积差异有统计学意义(P=0.002,0.009);SMI校正后的敏感性较高,但差异无统计学意义(P>0.05).单因素及多因素分析显示,SMI发现的中央血流及穿支血流不是甲状腺恶性结节的独立危险因素.结论对于TI-RADS 4类甲状腺结节,SMI较CDFI检测结节的微血管效果更好,有望成为诊断甲状腺良恶性结节的一种辅助手段.
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    Key words
    Superb micro-vascular imaging,Thyroid nodule,TI-RADS 4
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