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Renal ultrasound using parametric imaging techniques to detect changes in microstructure and function

M F Insana1, T J Hall, J G Wood

  • 1Department of Diagnostic Radiology, University of Kansas Medical Center, Kansas City.

Investigative Radiology
|August 1, 1993
PubMed
Summary
This summary is machine-generated.

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Parametric ultrasound imaging reveals tissue microstructure by analyzing scatterer size and backscatter. This technique can assess kidney microanatomy, aiding in the diagnosis of conditions like glomerular hypertrophy and ischemia.

Area of Science:

  • Medical Imaging
  • Ultrasound Technology
  • Biomedical Engineering

Background:

  • Traditional ultrasound imaging provides limited information on tissue microstructure.
  • Parametric ultrasound techniques offer enhanced characterization of tissue properties.

Purpose of the Study:

  • To investigate the utility of parametric ultrasound imaging for characterizing kidney microstructure.
  • To assess scatterer size and integrated backscatter coefficient in normal dog kidneys.

Main Methods:

  • Utilized signal processing to generate parametric ultrasound images.
  • Examined images of average scatterer size (D) and integrated backscatter coefficient (IBC).
  • Acquired images in vitro and in vivo to assess microanatomical changes.

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Main Results:

  • Identified sources of cortical backscatter using parametric ultrasound.
  • Observed microanatomical changes associated with ischemia.
  • Demonstrated rapid assessment of average glomerular and arteriolar diameters.

Conclusions:

  • Parametric ultrasound enables more direct interpretation of sonographic data.
  • This imaging modality may aid in differentiating conditions causing increased cortical echogenicity.
  • Parametric imaging can detect structural indicators like glomerular hypertrophy.