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弹性成像应变率比值对常规超声甲状腺TI-RADS 4级结节的临床价值 被引量:2

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摘要 目的探讨弹性成像应变率(SR)比值调整常规超声TI-RADS 4级结节的临床价值。方法对112例常规超声诊断为TI-RADS分级4级的甲状腺结节进行SR比值法超声检查,获得结节的SR比值,以病理结果为金标准绘制ROC曲线,得出最佳界值。将4a级结节中SR比值低于界值者降级为3级,将4b级结节中SR比值高于界值者上调为5级;其他保持不变。分析调整前后的诊断结果。结果常规超声诊断为4a级结节63例,SR比值最佳诊断界点为3.28,根据SR比值43例降为3级,其中良性者38例,恶性者5例;常规超声诊断为4b级结节49例,根据SR比值,33例升为5级,其中良性者3例,恶性者30例。结论根据TI-RADS分级制定标准,TI-RADS分级4a级则需进行超声引导下穿刺活检,行弹性成像应变率比值检查可以进一步判定结节的良恶性,对于5级者可以直接手术治疗,3级者可以定期随访,从而降低结节的穿刺活检率,为临床治疗方式的选择提供有价值的参考。
出处 《河南医学研究》 CAS 2018年第13期2339-2342,共4页 Henan Medical Research
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