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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。方法 对100例上尿路梗阻患 者分别进行了MRU和IVU检查,并与术后结果比较。结果 MRU对输尿管狭窄、肾盂输尿管连接部梗阻、输尿管肿瘤和输尿 管结石的术前诊断率分别为93.75%、100%、87.5%、40%,而IVU术前诊断率则分别为82.5%、56.25%、27.5%、80%。结论 IVU目前仍为诊断上尿路梗阻的常用方法,但MRU水成像对无分泌功能的肾积水、孕妇、儿童和碘过敏患者的诊断价值更大, 是对IVU的有益补充。
Objective To compare the diagnostic value of magnetic resonance urography (MRU) and intravenous urography (IVU) in upper urinary tract obstruction. Methods 100 cases of upper urinary tract obstruction patients were MRU and IVU examination, and compared with postoperative results. Results The preoperative diagnosis rates of ureteral stricture, ureteropelvic junction obstruction, ureteral tumor and ureteral calculi were 93.75%, 100%, 87.5% and 40%, respectively. The preoperative diagnostic rates of MRU were 82.5% and 56.25%, respectively , 27.5%, 80%. Conclusion IVU is still a common method for the diagnosis of upper urinary tract obstruction. However, MRU is more valuable for the diagnosis of non-secretory hydronephrosis, pregnant women, children and iodine allergy patients.