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目的探讨螺旋CT对输尿管结石的诊断价值。方法对150例输尿管结石患者的CT轴位图像及曲面重建图像进行分析。结果检出结石158枚,发生于三个生理狭窄处的概率分别为:20%、28%、52%。结石以上输尿管不同程度的扩张积水。曲面重建图像可清楚的显示结石大小、部位及输尿管扩张的程度。结论螺旋CT轴位图像及曲面重建对输尿管结石做出快速、准确的定位、定性诊断,是目前诊断输尿管结石的最好方法之一。
Objective To investigate the diagnostic value of spiral CT in ureteral calculi. Methods 150 cases of ureteral calculi CT axial image and surface reconstruction images were analyzed. The results of stone 158 were detected, the probability of occurrence in three physiological stenosis were: 20%, 28%, 52%. Ureteral stones in varying degrees of expansion of water. Surface reconstruction images can clearly show the size of the stone, the location and extent of ureteral dilatation. Conclusion Spiral CT axial image and surface reconstruction of ureteral calculi to make rapid and accurate positioning, qualitative diagnosis is the best way to diagnose ureteral calculi.