超声弹性成像应变率比值法在甲状腺病变诊断中的价值

目的：研究甲状腺病变采用超声弹性成像应变率比值法（下称比值法）的可行性。方法选取196例患者共238个甲状腺结节，对比该研究方法与病理诊断结果的差异性。结果病理学诊断结果显示良性结节196个，恶性结节42个。比值法诊断良性结节190个，恶性结节48个。比值法以＜3．3为良性，≥3．3为恶性，诊断恶性结节特异性为85．71％，敏感性为93．88％。比值法结果与病理诊断结果比较差异无统计学意义（ P＞0．05）。结论超声弹性成像应变率比值法可有效鉴别甲状腺病变状态，临床上可结合病理诊断降低误诊率。

Value of ultrasound elastography strain rate ratio method in the diagnosis of thyroid lesions

Objective To study the feasibility of ultrasound elastography strain rate ratio method in the diag-nosis of thyroid lesions .Methods A total of 196 patients with 238 thyroid nodules , were selected for comparing the difference in the diagnosis of thyroid lesions between the ratio method and pathological diagnosis .Results Pathologi-cal diagnosis showed 196 benign nodules , 42 malignant nodules .The ratio method showed 190 benign nodules , 48 malignant nodules;When ratio method took 〈3.3 as benign ,≥3.3 as malignant , for diagnosis of malignant nodules the specificity of ratio method was 85.71%, the sensitivity was 93.88%.There was no significant statistically differ-ences in the diagnosis results between two methods （ P〉0.05 ） .Conclusion Ultrasound elastography strain rate ratio method can effectively identify thyroid lesions , clinically it can be combined with pathological diagnosis to reduce mis-diagnosis rate .