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

Abstract

To determinenormalrangesforpediatrictesticularvolumeand stiffness values (SV) on ultrasonography (US) andshearwaveelastography (SWE) with respect to age and weight,testicularUS scans (including SWE) of children (<10 y old) performed from February 2015 to January 2017 were retrospectively reviewed; grosslynormaltestes or testes with small hydroceles were included. Correlations between age weight, andtesticularvolumeor SV were evaluated. Among a total of 52 boys (1-92 mo, median = 23.5 mo), there were positive correlations betweentesticularvolumeand age (R2 = 0.451, p < 0.001) and weight (R2 = 0.515, p < 0.001).TesticularSV was negatively correlated with age (R2 = 0.166, p = 0.051) and weight (R2 = 0.372, p = 0.049). Therefore, SV decreases whilevolumeincreases with increasing weight in testes of healthy children.Normalrangesfortesticularvolumeand SV in children younger than 10 y are reported.