磁共振水成像(MRU)在肾移植术后尿路梗阻中的应用
Magnetic resonance urography in the diagnosis of urinary tract obstruction after renal transplantation
目的评价磁共振水成像(MRU)在肾移植术后尿路梗阻中的诊断价值.方法对31例肾移植术后怀疑尿路梗阻的患者,使用重T2加权FSE序列,脂肪抑制技术和兴趣向量技术进行检查,附手术和B超做对照.结果 MRU可充分显示肾移植后患者尿路的影像.依据MRU影像,确诊率为100%.影像与手术所见基本一致.结论 MRU适用于肾移植术后尿路梗阻的检查(尿瘘、吻合口狭窄、肿瘤等).在肾功能受损、尿毒症的患者中,它可能是取代IVP和CT的良好的检查方法.
更多Objective To evaluate magnetic resonance urography (MRU) in the diagnosis of urinary tract obstruction after renal transplantation. Methods A total of 31 patients with suspected urinary tract obstruction after renal transplantation were examined, and the results were compared with those from surgery and B-ultrasound examination. Results The urinary tract after renal transplantation was clearly shown using MRU, and all patients were clearly diagnosed by MRU. Imaging results were consistent with those from surgery. Conclusions MRU is suitable for detecting urinary tract obstruction after renal transplantation. It is a alternative method for IVP and CT in patients with renal function impairment and uremia.
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