Objective: To evaluate the diagnostic value of low-field magnetic resonance urography (MRU) in obstructive diseases of urinary tract.

目的：评价低场强磁共振泌尿系水成像(MRU)对尿路梗阻性疾病的诊断价值。

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Objective: To study the diagnostic value of magnetic resonance urography (MRU) for urinary tract obstruction.

目的：探讨磁共振尿路造影(MRU)对尿路梗阻性疾病的诊断价值。

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Objective To evaluate the diagnostic value of magnetic resonance urography (MRU) in patients with iatrogenic ureteral injuries.

目的探讨磁共振尿路成像(MRU)在医源性输尿管损伤中的价值。

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