【摘要】 目的：评价超声弹性应变率比值结合二维超声在甲状腺结节诊断中的应用价值。方法：对74例甲状腺结节患者的102个甲状腺结节进行常规二维超声及弹性成像检查，测定结节的弹性应变率比值。将超声诊断结果与病理结果进行对比分析。结果：根据二维超声的声像图表现，诊断甲状腺结节性质的准确率为62.7%；根据弹性应变率比值诊断甲状腺结节性质的准确率为55.9%；而将超声弹性应变率比值结合二维声像图表现联合诊断，超声诊断甲状腺结节性质的准确率为83.3%，与前两种方法比较差异均有统计学意义(P<0.05)。结论：超声弹性应变率比值结合二维超声明显提高了超声诊断甲状腺结节的诊断准确率。

    【关键词】 甲状腺结节； 二维超声； 超声弹性成像； 应变率比值

    【Abstract】 Objective：To evaluate the application value of ultrasonic elastography strain ratio combined with two-dimensional ultrasound in diagnosis of thyroid nodules.Method：Two-dimensional ultrasound and elastic strain ratio elastography examination were both performed in 74 patients with 102 thyroid nodules.The results of ultrasonic diagnosis and pathological results were analyzed.Result：According to the sonographic features of two-dimensional ultrasound ......