Objective:To determine the display effect of non-dilated ureter with reducing mA on the image quality in patients undergoing multi-slice CT urography, and to measure the normal ureter size.
目的：探讨多层螺旋CT尿路造影对非扩张性输尿管图像质量的影响，并测量输尿管管径大小正常值范围。
Objective:To determine the display effect of non-dilated ureter with reducing mA on the image quality in patients undergoing multi-slice CT urography, and to measure the normal ureter size.
目的：探讨多层螺旋CT尿路造影对非扩张性输尿管图像质量的影响，并测量输尿管管径大小正常值范围。
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