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[Imaging studies in infants and children with dilatation of the upper urinary tract]

I Körner1, J D van Gool, M Ebert

  • 1Klinik und Poliklinik für Urologie, Sektion Kinderurologie, Universitätsklinikum Essen, Essen.

Der Urologe. Ausg. A
|February 26, 2010
PubMed

Insights

Postnatal investigations for upper urinary tract dilation include ultrasound and dynamic renography (MAG 3). This combination provides anatomical and functional data to guide treatment decisions for pediatric urinary tract obstruction.

Area of Science:

  • Pediatric Urology
  • Diagnostic Imaging
  • Nephrology

Context:

  • Prenatal or postnatal diagnosis of upper urinary tract dilation necessitates prompt postnatal investigations.
  • Established protocols recommend early ultrasound and dynamic renography (MAG 3) for assessing renal function and drainage.
  • Magnetic Resonance Imaging (MRI) offers detailed imaging but requires anesthesia in young children.

Purpose:

  • To outline the diagnostic approach for infants with prenatally or postnatally diagnosed upper urinary tract dilation.
  • To detail the roles of sonography, dynamic renography (MAG 3), and other imaging modalities.
  • To inform clinical decision-making regarding surgical intervention versus conservative management.

Summary:

  • Postnatal investigations for upper urinary tract dilation typically begin with ultrasound within days of birth.
  • Dynamic renography (MAG 3) is the gold standard for assessing renal perfusion and drainage.
  • Ultrasound and MAG 3 provide comprehensive anatomical and functional information for managing pediatric urinary tract obstruction.

Impact:

  • Optimizes the diagnostic pathway for pediatric urinary tract dilation, ensuring timely and appropriate investigations.
  • Facilitates evidence-based decisions on surgical versus conservative management strategies.
  • Reduces unnecessary procedures like routine intravenous urography.

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