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Normal Changes and Ranges of Pediatric Testicular Volume and Shear Wave Elasticity

Hyun Joo Shin1, Haesung Yoon1, Yong Seung Lee2

  • 1Department of Radiology, Severance Hospital, Research Institute of Radiologic Science, Yonsei University College of Medicine, Seoul, Korea.

Ultrasound in Medicine & Biology
|April 23, 2019
PubMed

Insights

Pediatric testicular volume increases with age and weight, while stiffness values (SV) decrease. This study establishes normal ranges for testicular volume and SV in children under 10 using ultrasonography and shear wave elastography.

Area of Science:

  • Pediatric Radiology
  • Medical Imaging
  • Elastography

Background:

  • Accurate assessment of pediatric testicular parameters is crucial for diagnosing various conditions.
  • Establishing normative data for testicular volume and stiffness is essential for clinical interpretation.

Purpose of the Study:

  • To determine normal ranges for pediatric testicular volume and stiffness values (SV) using ultrasonography (US) and shear wave elastography (SWE).
  • To evaluate the correlation of these parameters with age and weight in children under 10 years old.

Main Methods:

  • Retrospective review of testicular US and SWE scans from February 2015 to January 2017.
  • Inclusion of grossly normal testes or testes with small hydroceles in 52 boys (1-92 months).
  • Statistical analysis to evaluate correlations between age, weight, testicular volume, and SV.

Main Results:

  • Positive correlations were found between testicular volume and both age (R²=0.451) and weight (R²=0.515).
  • Testicular SV showed negative correlations with age (R²=0.166) and weight (R²=0.372).
  • Testicular stiffness values decrease as volume increases with rising weight in healthy children.

Conclusions:

  • Testicular volume increases with age and weight in children under 10.
  • Testicular stiffness values decrease with increasing age and weight in this pediatric population.
  • Normal ranges for testicular volume and SV in children younger than 10 years are reported, aiding clinical diagnosis.

Keywords:
ChildrenElastographyNormalTestisUltrasonography

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