Purpose:To study the diagnostic value of using ultrasonography(US), plain film of the abdomen(KUB), intravenous urography(IVU) in acute ureteral calculous obstruction.

目的：探讨超声、腹部平片（KUB）、静脉尿路造影（IVU）对急性输尿管结石梗阻的诊断价值。

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Methods 40 cases of ureteral diseases are by B-mode ultrasound, intravenous urography (IVU) and spiral ct (SCT) scanning, the three methods of inspection sensitivity, accuracy and analyzed.

方法：对40例输尿管病变均经B超、静脉尿路造影(ivu)和螺旋CT (SCT)扫描，对三种检查方法的敏感性、准确性作对比分析。

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Objective to compare the ability of magnetic resonance urography (MRU) and conventional intravenous urography (IVU) to diagnose the cause of ureteric obstruction.

目的比较磁共振尿路造影(mru)和静脉尿路造影(ivu)在上尿路梗阻中的诊断价值。

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