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Acute urinary tract obstruction. Imaging update

S L Koelliker1, J J Cronan

  • 1Department of Diagnostic Imaging, Rhode Island Hospital, Providence, USA.

The Urologic Clinics of North America
|August 1, 1997
PubMed
Summary
This summary is machine-generated.

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Recent advances in renal ultrasonography and CT scanning offer alternatives to IVU for urinary tract obstruction. The choice of imaging depends on institutional factors like cost and expertise, with future focus on cost-effectiveness.

Area of Science:

  • Radiology
  • Urology
  • Medical Imaging

Background:

  • Urinary tract obstruction is a common issue.
  • Intravenous urography (IVU) was the traditional imaging method.
  • Recent technological advancements have introduced new imaging modalities.

Purpose of the Study:

  • To review the current landscape of imaging techniques for renal obstruction.
  • To discuss the evolving role of ultrasonography and CT scanning.
  • To highlight the factors influencing the choice of imaging modality.

Main Methods:

  • Review of current literature and clinical practice.
  • Comparison of intravenous urography (IVU), renal ultrasonography, and CT scanning.
  • Discussion of institutional factors affecting modality selection.

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Main Results:

  • Ultrasonography and CT scanning are emerging as primary screening tools for renal obstruction.
  • No single algorithm is recommended due to the dynamic nature of technique utilization.
  • Modality choice is influenced by equipment availability, institutional expertise, and cost.

Conclusions:

  • While IVU retains a role in acute obstruction, ultrasonography and CT are valuable alternatives.
  • Future assessments of renal obstruction will likely prioritize cost-effectiveness and diagnostic certainty.
  • Collaboration between radiologists and urologists is essential for developing efficient and cost-effective assessment systems.