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目的:探讨CT是否可以被用来预测泌尿系结石的易碎性。方法:选择40例开放手术取出尿路结石标本进行气压弹道碎石,结石体积0.25~8 m l,碎石前行CT扫描了解结石CT值及影像学特征,收集碎石屑测定成分,CT值与碎石次数进行相关分析。结果:CT值与每m l碎石次数进行相关分析,Person相关系数0.886,P=0.000,认为结石CT值与碎石次数之间存在正相关关系,而且相关性很高。结论:结石的CT值及影像学特征是预测其易碎性的重要手段。
Objective: To investigate whether CT can be used to predict the fragility of urolithiasis. Methods: 40 cases of urolithiasis were selected for pneumatic lithotripsy. The volume of stones was 0.25 ~ 8 ml. The CT scan of gravel was used to understand the CT value and imaging features of stones. Gravel frequency correlation analysis. Results: Correlation analysis was made between the CT value and the number of gravels per m l. The Person correlation coefficient was 0.886, P = 0.000. It was considered that there was a positive correlation between the CT value of stone and the number of gravel, and the correlation was very high. Conclusion: CT value and imaging features of the stone are important means to predict its fragility.