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超声显像在诊断甲状腺良恶性结节中的预测价值 被引量:6

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摘要 目的:探讨超声显像在诊断甲状腺良恶性结节中的预测价值。方法:分析经细针穿刺细胞学检查或手术病理证实的198例221个甲状腺结节的超声表现,观察结节内部回声、纵横比、微钙化、边界、形态。结果:恶性结节的超声特征为:低回声(75%),纵横比≥1(62%),微钙化(52%),边界不清(62%),形态不规则(53%),良、恶性结节比较差异具有统计学意义(P<0.01)。单一超声特征不能同时具备较高的灵敏度和特异度,联合运用上述超声征象中的任一项对诊断恶性甲状腺结节有很高的阴性预测值(96%),任三项具有很高的阳性预测值(88%),任两项时具有很高的灵敏度(86%)和特异度(80%),以此来作为诊断依据。结论:恶性甲状腺结节超声显像具有特征性表现,单一超声征象灵敏度较低,综合运用各种超声征象,可以提高超声诊断符合率。
出处 《南京医科大学学报(自然科学版)》 CAS CSCD 北大核心 2012年第5期723-725,共3页 Journal of Nanjing Medical University(Natural Sciences)
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参考文献15

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