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目的探讨弹性对比指数(ECI)方法对于甲状腺乳头状癌(PTC)与其他甲状腺结节的鉴别诊断价值。方法将93例甲状腺结节的二维超声表现及ECI测值与病理结果进行相关分析,比较PTC与其他甲状腺结节ECI测值差异。结果甲状腺结节中PTC的ECI值(3.49±1.07)高于其他甲状腺结节(2.20±0.97)(P<0.05)。用ECI区分PTC与其他甲状腺结节最佳界值为2.87、灵敏度为77%、特异度85%、ROC曲线下面积为0.853。结论 ECI可辅助甲状腺PTC与其他甲状腺结节的鉴别诊断。
Objective To investigate the differential diagnostic value of elastic contrast index (ECI) for thyroid papillary carcinoma (PTC) and other thyroid nodules. Methods 93 cases of thyroid nodules by two-dimensional ultrasound and ECI measured values and pathological results were analyzed, compared with other thyroid nodules ECI measured differences. Results The ECI of thyroid nodules (3.49 ± 1.07) was higher than that of other thyroid nodules (2.20 ± 0.97) (P <0.05). The best cut-off value of ECV between PTC and other thyroid nodules was 2.87, the sensitivity was 77%, the specificity was 85% and the area under the ROC curve was 0.853. Conclusion ECI can assist in the differential diagnosis of thyroid PTC and other thyroid nodules.