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Technique and clinical application of magnetic resonance urography

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Author:
No author available
Journal Title:
JOURNAL OF THE FOURTH MILITARY MEDICAL UNIVERSITY
Issue:
4
DOI:
10.3321/j.issn:1000-2790.1999.04.015
Key Word:
磁共振成像;泌尿系疾病;技术

Abstract: 目的:探讨磁共振泌尿系水成像(MRU)技术的适应证及临床意义.方法:13例泌尿系疾病患者,在1.5T超导型MR扫描机上,用快速自旋回波重T2 WI加权序列扫描,图像经最大强度投影法重建, 病变部位加做常规磁共振成像T1 WI及T2 WI轴位及T1 WI冠状位.结果:13例MRU影像均能满足诊断要求,其中11例对肾盂积水、输尿管扩张迂曲,狭窄及梗阻部位显示极好,只有2例单纯性血尿患者显示较差.结论:MRU特别适合尿路狭窄、梗阻及年龄大、体质差、碘过敏等不适宜静脉肾盂造影或静脉肾盂造影不显影的患者.常规磁共振轴位和冠状位成像便于观察肾脏外形,肾皮髓质结构,MRU结合MRI可提高病变定性诊断.

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