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首页> 外文期刊>Journal of computer assisted tomography >Comparison of urinary tract distension and opacification using single-bolus 3-Phase vs split-bolus 2-phase multidetector row CT urography.
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Comparison of urinary tract distension and opacification using single-bolus 3-Phase vs split-bolus 2-phase multidetector row CT urography.

机译：使用单剂量3相vs分裂2相多探测器行CT尿路造影比较尿路扩张和浑浊。

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OBJECTIVE: To compare urinary tract distension and opacification obtained with single-bolus 3-phase and split-bolus 2-phase multidetector row computed tomographic urography (CTU) techniques. METHODS: Twenty-six single-bolus 3-phase CTU examinations were retrospectively compared with 26 split-bolus 2-phase examinations. Two readers reviewed excretory-phase imaging to record quantitative measurements of urinary tract distension and qualitative measurements of urinary tract opacification. RESULTS: Single-bolus 3-phase CTU technique provided better overall urinary tract distension than did split-bolus 2-phase technique (P = 0.05). Single-bolus CTU images demonstrated superior lower pole and interpolar region intrarenal collecting system distension when compared with split-bolus CTU images (P < or = 0.04). Qualitative opacification scores for the lower urinary tract were significantly higher, using single-bolus technique for only 1 of 2 reviewers. No significant differences between techniques in intrarenal collecting system opacification, ureteral distension, or ureteral opacification were identified. CONCLUSIONS: Improved urinary tract distension is obtained with single-bolus 3-phase CTU technique.
机译：目的：比较单剂量3相和分裂2相多探测器行计算机断层摄影术（CTU）技术获得的尿路扩张和乳浊。方法：回顾性比较了26例单剂量3期CTU检查与26剂2剂量分割CTU检查。两名读者回顾了排泄期成像，以记录尿路扩张的定量测量结果和尿路混浊的定性测量结果。结果：单剂量三阶段CTU技术比分剂量两阶段CTU技术提供了更好的总体尿路扩张（P = 0.05）。单次推注CTU图像与分开推注CTU图像相比显示出优越的下极和极间区域肾内采集系统扩张（P <或= 0.04）。下尿路的定性混浊评分显着更高，仅使用单次推注技术的2名审稿人中就有1名。在肾内采集系统浑浊，输尿管扩张或输尿管浑浊方面，没有发现技术之间的显着差异。结论：单次推注三相CTU技术可改善尿路扩张。

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