灰阶超声联合弹性成像在甲状腺结节良恶性鉴别诊断中的应用研究

Siping SHEN,Huajun XU,Wenxian CHEN,Huimei ZHANG, Guochao YE

China Modern Doctor(2019)

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Abstract
目的 探讨灰阶超声(GSUS)联合弹性成像(UE)在甲状腺良、恶性结节中的鉴别诊断价值.方法 回顾性分析703例甲状腺结节临床和超声资料,比较结节外形、内部回声、内部成份、边界、钙化及UE评分在良、恶性病变中的差别,以病理为金标准,比较GSUS、UE以及GSUS联合UE诊断敏感性、特异性、阴性预测值、阳性预测值及正确率.结果 甲状腺恶性结节纵横比>1344个(344/486,70.8%),低回声379个(379/486,78.0%)或极低回声92个(92/486,18.9%),实性结节40个(401/486,82.5%),边界不清42个(421/486,86.6%),伴微钙化176个(176/486,36.2%),UE评分为4分或5分410个(410/486,84.4%);而甲状腺良性结节纵横比<1173个(173/217,79.7%),低回声117(117/217,53.9%)或等回声89个(89/217,41.1%),实性结节126个(126/217,58.1%),边界清晰155个(155/217,71.4%),伴粗钙化31个(31/217,14.3%),UE评分为1分,2分或3分201个(201/217,92.6%)(P<0.001);GSUS联合UE诊断敏感性(93.8%)、阴性预测值(97.4%)及准确率(96.2%)均高于GSUS和UE(P<0.01).结论 GSUS联合UE能有效提高甲状腺结节良、恶性鉴别诊断效能.
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