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目的探讨彩超(HFU)联合超声弹性成像(UE)对甲状腺结节良恶性的诊断价值。方法分别应用HFU、UE对甲状腺结节进行超声检查,绘制ROC曲线求取SR最佳诊断阈值,分别计算HFU、UE分级、SR及HFU与UE分级、SR联合法对本组结节诊断良恶性的灵敏度、特异度、准确度,并用ROC曲线比较4种方法对该组甲状腺结节的诊断价值。结果 SR对该组甲状腺结节的最佳诊断阈值为3.36;HFU、UE分级、SR及联合法的ROC曲线下面积分别为(0.837±0.033)、(0.849±0.032)、(0.889±0.029)、(0.925±0.024),差异具有统计学意义。结论 HFU联合UE对甲状腺结节良恶性判断具有较好的诊断价值。
Objective To investigate the diagnostic value of color echocardiography (HFU) combined with ultrasound elastography (UE) in benign and malignant thyroid nodules. Methods HFU and UE were respectively used for ultrasound examination of thyroid nodules and ROC curves were drawn to get the optimal diagnosis threshold of SR. HFU, UE classification, SR and HFU were graded with UE respectively. The combined diagnosis of benign and malignant Sensitivity, specificity, accuracy, and the use of ROC curve comparison of four methods for the diagnosis of thyroid nodules in this group. Results The best diagnostic threshold of SR was 3.36 for this group of thyroid nodules. The area under the receiver operating characteristic (ROC) curve of HFU, UE grade, SR and the combined method were (0.837 ± 0.033), (0.849 ± 0.032) and (0.925 ± 0.024), the difference was statistically significant. Conclusion HFU combined with UE in benign and malignant thyroid nodules have good diagnostic value.