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2D Shear wave elastography for evaluation of renal cortex and medulla: stiffness values in healthy children

  • Kidneys, Ureters, Bladder, Retroperitoneum
  • Published:
Abdominal Radiology Aims and scope Submit manuscript

Abstract

Purpose

To evaluate renal cortical and medullary stiffness using 2D Shear-wave elastography (SWE) in healthy children.

Methods

In this IRB approved prospective study, we measured the stiffness of cortex and medulla of children (4 months-17 years) at the upper pole, mid pole, and lower pole in bilateral kidneys.

Results

The median (IQR) values of renal cortex in <1 year age group was 8.7 (5.7–11.7) kPa for right and 8.7 (4.2–14.1) kPa for the left side. For 1–5 years age group, it was 7.3 (5.3–10) kPa for the right and 8.9 (6–12.3) kPa for the left side. For >5 years, it was 7.4 (5.3–11.2) kPa for the right and 9.6 (6.2–12.7) kPa for the left side. The median (IQR) values of renal medulla in <1 year age group was 7.1 (5.1–12.5) kPa for right and 6.8 (4–10.6) kPa for the left side. For 1–5 years age group, it was 7.2 (4.9–9.7) kPa for the right and 6.9 (5.6–9.9) kPa for the left side. For >5 years, it was 6.8 (5.1–9.6) kPa for the right and 7 (5–10.2) kPa for the left side. The differences in the elasticity values amongst these groups were statistically insignificant (p>0.05). There was a significant correlation between SWE values of cortex and medulla of right kidney (ρ=0.64) and of left kidney (ρ=0.61), respectively.

Conclusion

SWE values of renal cortical and medullary stiffness in healthy children do not correlate with age. There is a significant correlation between SWE values of cortex and medulla of the kidneys in healthy children.

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Acknowledgements

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This research did not receive any specific grant from funding agencies in the public, commercial, or not-for-profit sectors.

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Author notes

  1. Anmol Bhatia and Ashish Dua are joint first authors.

Authors and Affiliations

  1. Department of Radio Diagnosis and Imaging, Postgraduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012, India

    Anmol Bhatia, Ashish Dua, Vansha Mehta, Manika Chhabra, Kushaljit Singh Sodhi & Akshay Kumar Saxena

  2. Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, MO, USA

    Kushaljit Singh Sodhi

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  1. Anmol Bhatia
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  2. Ashish Dua
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  3. Vansha Mehta
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  5. Kushaljit Singh Sodhi
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  6. Akshay Kumar Saxena
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Correspondence to Anmol Bhatia.

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Bhatia, A., Dua, A., Mehta, V. et al. 2D Shear wave elastography for evaluation of renal cortex and medulla: stiffness values in healthy children. Abdom Radiol 48, 3183–3188 (2023). https://doi.org/10.1007/s00261-023-04001-0

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  • DOI: https://doi.org/10.1007/s00261-023-04001-0

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