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Renal Cortical Elastography: Normal Values and Variations.

Harsh Singh1, Om Biju Panta2, Umesh Khanal3

  • 1Department of Radiodiagnosis, King George Medical University, Lucknow, India.

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|August 2, 2018
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Summary
This summary is machine-generated.

This study established normal renal cortical elasticity values using shear wave velocity. Renal elasticity was found to be independent of age, gender, BMI, and kidney dimensions.

Keywords:
Renal elastographyShear wave elastographyUltrasound

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Area of Science:

  • Nephrology
  • Medical Imaging
  • Biophysics

Background:

  • Renal cortical elastography shows promise for evaluating kidney disorders, but results are conflicting.
  • Establishing normal elasticity values is crucial for accurate diagnosis and monitoring.

Purpose of the Study:

  • To create a normogram of renal cortical elasticity values.
  • To assess variations in elasticity between right and left kidneys.
  • To investigate the relationship between elasticity and patient factors (age, gender, BMI) and renal morphometry.

Main Methods:

  • A hospital-based cross-sectional study included 95 individuals undergoing ultrasound.
  • Renal morphometry and cortical elasticity (shear wave velocity) were measured using B-mode imaging and elastography.
  • Exclusion criteria included abnormal ultrasound findings and renal function tests.

Main Results:

  • Mean shear wave velocities were 1.49 m/s (right) and 1.54 m/s (left), with a significant difference between kidneys.
  • Renal elasticity showed a non-significant decrease with age.
  • No significant differences in elasticity were found based on gender or BMI.
  • A significant negative correlation was observed between skin-to-cortex distance and renal elasticity.

Conclusions:

  • Normal renal cortical elasticity values (shear wave velocity) for right and left kidneys were successfully established.
  • Renal elasticity was determined to be independent of age, gender, body mass index, and renal dimensions.