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目的探讨小儿泌尿系梗阻应用磁共振尿路造影(MRU)的临床诊断价值。方法 59例小儿泌尿系梗阻患儿,分别采用腹部MRU、腹部超声(BUS)、静脉尿路造影(IVP)进行检查诊断,对其诊断结果与手术病理进行比对。结果 MRU诊断小儿泌尿系梗阻准确率为100.00%,BUS诊断小儿泌尿系梗阻准确率为71.19%,IVP诊断小儿泌尿系梗阻准确率为79.66%。MRU准确率分别与BUS、IVP比较,差异均有统计学意义(χ2=19.86、13.36,P<0.01)。结论 MRU诊断小儿泌尿系梗阻准确率较高,安全无辐射,为临床治疗方案的制订提供可靠的依据。
Objective To investigate the clinical value of magnetic resonance urography (MRU) in urinary tract obstruction in children. Methods Fifty-nine pediatric patients with urinary tract obstruction were diagnosed by abdominal MRU, abdominal ultrasound (BUS) and intravenous urography (IVP). The diagnostic results were compared with the surgical pathology. Results The diagnostic accuracy of MRU was 100.00% for urinary tract obstruction, 71.19% for BUS diagnosis of pediatric urology, and 79.66% for IVP diagnosis of urinary tract obstruction. MRU accuracy and BUS, IVP respectively, the difference was statistically significant (χ2 = 19.86,13.36, P <0.01). Conclusion MRU diagnosis of urinary tract obstruction in children with high accuracy, no radiation safety, and provide a reliable basis for the development of clinical treatment programs.