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Kyungchul Song

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Open access Oct 2026

Estimating magnetic resonance imaging proton density fat fraction from ultrasound attenuation and clinical parameters in pediatric hepatic steatosis: development of a prediction model

Purpose: This study evaluated the diagnostic performance of the ultrasound-guided attenuation parameter (UGAP) for pediatric hepatic steatosis and developed a multivariable model to estimate magnetic resonance imaging proton density fat fraction (MRI-PDFF) from ultrasound and clinical variables. Methods: This single-ce...

Shin Hye Hwang, Sejin Jeong, Dong-kyu Kim et al. · 0 citations
Open access Aug 2026

Adrenal androgen mediates the association between obesity and accelerated skeletal maturation in children and adolescents

Adrenal androgen activity, reflected by DHEA-S, represents a significant endocrine pathway linking obesity to accelerated skeletal maturation, highlighting developmentally specific windows of endocrine-metabolic interaction in growing children.

Youngha Choi, Eunju Lee, H. Lee et al. · 0 citations

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