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Pediatric Radiology
Published in: Pediatric Radiology 11/2006

01-11-2006 | Review

MR urography in children

Authors: J. Damien Grattan-Smith, Richard A. Jones

Published in: Pediatric Radiology | Issue 11/2006

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Abstract

MR urography represents the next step in the evolution of uroradiology in children by combining superb anatomic imaging with quantitative functional evaluation in a single examination that does not use ionizing radiation. MR imaging has inherently greater soft-tissue contrast than other imaging techniques. When used in conjunction with dynamic scanning after administration of a contrast agent, it provides non-invasive analysis of the perfusion, concentration and excretion of each kidney. The purpose of this review is to outline our experience with more than 500 MR urograms in children. We outline our technique in detail, showing how we calculate differential renal function and how we assess concentration and excretion in the different regions of the kidney. We show that the dynamic contrast-enhanced data can be processed to yield quantitative measures of individual kidney GFR. In the clinical section we show how MR urography adds unique aspects to the anatomic evaluation of the urinary tract, and by combining the anatomic information with functional information, how we assess hydronephrosis and obstructive uropathy, congenital malformations, pyelonephritis and renal scarring.
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Metadata
Title
MR urography in children
Authors
J. Damien Grattan-Smith
Richard A. Jones
Publication date
01-11-2006
Publisher
Springer-Verlag
Published in
Pediatric Radiology / Issue 11/2006
Print ISSN: 0301-0449
Electronic ISSN: 1432-1998
DOI
https://doi.org/10.1007/s00247-006-0222-2

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