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MR urography in pediatric uropathies with dilated urinary tracts

Murat Kocaoğlu1, Ahmet Turan Ilica, Nail Bulakbaşi

  • 1Department of Radiology, Gülhane Military Academy of Medicine, Ankara, Turkey, Turkey. kocaoglumurat@yahoo.com

Diagnostic and Interventional Radiology (Ankara, Turkey)
|December 2, 2005
PubMed

Insights

Magnetic resonance (MR) urography offers superior imaging for diagnosing urinary tract dilatation in children. This advanced technique may replace conventional uroradiological methods for improved diagnostic accuracy.

Area of Science:

  • Pediatric Radiology
  • Medical Imaging
  • Urology

Background:

  • Urinary tract dilatation in children requires accurate diagnostic imaging.
  • Conventional methods like ultrasonography and intravenous urography have limitations.
  • Magnetic resonance (MR) urography presents a potential advanced imaging solution.

Purpose of the Study:

  • To evaluate the diagnostic value of MR urography in pediatric patients with urinary tract dilatation.
  • To compare the efficacy of MR urography against conventional imaging techniques.

Main Methods:

  • Twenty-five children (4 months to 13 years) underwent MR urography using T2 and contrast-enhanced T1 sequences.
  • MR findings were compared with ultrasonography, intravenous urography, Tc99m-DTPA scintigraphy, and micturating cystouretrography.

Main Results:

  • MR urography demonstrated superior imaging of urinary system dilatation, obstruction site/etiology, and kidney duplication.
  • T2-weighted sequences visualized 90.6% of abnormal and 66.7% of normal renal collecting systems.
  • T1-weighted sequences visualized 90.2% of renal collecting systems, with limitations in cases of poor renal function or contrast dilution.

Conclusions:

  • MR urography provides comprehensive imaging of the pediatric urinary tract.
  • This technique shows promise in replacing conventional uroradiological methods for diagnosing urinary tract dilatation in children.
Abstract

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