目的探讨磁共振尿路造影（MRU）诊断上尿路梗阻性疾病的意义。
Objective To evaluate the diagnostic efficacy of MR urography (MRU) in patients with upper urinary tract obstruction.
方法59例上尿路梗阻性疾病患者接受检查，MRU为冠状位快速自旋回波T2加权像。
Methods 59 patients with upper urinary tract obstruction were subjected to MRU performed in a heavily T2 weighted fast echo pulse sequence in the coronal plane.
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