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Clinical significance of the twinkling artifact on color Doppler sonography in the diagnosis of renal stones
Author(s): 
Pages: 133-135
Year: Issue:  4
Journal: Acta Academiae Medicinae Shandong

Keyword:  UltrasonographydopplercolorTwinkling artifactAcoustic shadowingRenal stones;
Abstract: 目的应用彩色多普勒超声观测肾结石的闪烁征与声影情况,探讨闪烁征对肾结石的诊断价值。方法以CT为金标准,将肾结石按大小分为3组,直径≤5mm组、5~10mm组和直径>10mm组,分别观察其闪烁征及声影显示情况。根据体质量指数(BMI)将患者分为正常组、超重组和肥胖组,观察肾结石闪烁征与患者BMI的关系。结果不同组中肾结石闪烁征的显示率均比声影显示率高,其中直径≤5mm和5~10mm组差异具有统计学意义(P<0.01),直径>10mm组差异无统计学意义(P>0.05)。肾结石闪烁征显示率与患者BMI无关(P>0.05)。结论肾结石闪烁征与结石大小及患者BMI无关。利用闪烁征这一指标,有利于肾小结石、隐匿性结石的检出与诊断。
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