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作者报告了曾用CT摄影可发现用单纯X光平片不能发现的尿路结石。在此基础上,为进一步掌握体内尿结石的组成成分,以便在药物治疗时,确定是否为灌流溶解的适应症,利用CT的X线吸收分辨率高的特点,采用CT检查,根据CT值对结石成分进行了实验分析。实验采用经红外分光分析后的47个体外结石和26个上尿路原位结石。体外结石放入可抽成真空的装置内,并注满水,摸拟体内自然环境,使CT值更近于体内结石测定值;体内原位结石也采用了能排除结石局部因素干扰的方法,选用直径1cm以上的结石,每隔5mm断层一次,然后取平均值和记录最高值。其实验分析结果总结如下:
The authors report that CT photography has been found to be found with plain radiographs of urinary tract stones. On this basis, in order to further understand the body composition of urinary stones in order to determine whether drug treatment, Indications for the dissolution of the solution, the use of CT X-ray absorption characteristics of high resolution, the use of CT examination, according to CT value The composition of stones was analyzed experimentally. The experiment used 47 extracorporeal calculus and 26 upper urinary tract calculi after infrared spectroscopy. Extracorporeal calculus into the device can be drawn into a vacuum, and filled with water to simulate the natural environment so that the CT value closer to the body of stones measured value; in situ stone also used to exclude local interference factors, Use more than 1cm in diameter stones, 5mm fault every time, and then take the average and record the highest value. The experimental results are summarized as follows: