MR urography today

被引：43

作者：

Nolte-Ernsting, CCA ^{[1
]}

Staatz, G ^{[1
]}

Tacke, J ^{[1
]}

Günther, RW ^{[1
]}

机构：

[1] Univ Technol Aachen, Dept Diagnost Radiol, D-52057 Aachen, Germany

来源：

ABDOMINAL IMAGING | 2002年 / 28卷 / 02期

关键词：

urography; kidney; magnetic resonance imaging; gadolinium; furosemide; children;

D O I：

10.1007/s00261-001-0187-4

中图分类号：

R57 [消化系及腹部疾病];

学科分类号：

摘要：

Magnetic resonance (MR) urography is performed by pursuing two different imaging strategies. On the one hand, heavily T2-weighted turbo spin-echo sequences are employed for obtaining unenhanced static-water images of the urinary tract. On the other, the T-1-weighted MR urographic technique imitates conventional intravenous pyelography and is. therefore, referred to as excretory MR urography. For this reason. a gadolinium contrast agent is injected intravenously and, after its renal excretion, the gadolinium-enhanced urine is imaged with fast T1-weighted gradient-echo sequences. Both MR urographic techniques can be combined for a comprehensive examination of the upper urinary tract. This article reviews the current technical principles. imaging capabilities, and clinical applications of T2- and T1-weighted MR urography in adult and pediatric patients.

引用

页码：191 / 209

页数：19

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