Sonographic Assessment of Renal and Organ Dimensions in Pediatric Populations

Ultrasound imaging has become the cornerstone for evaluating the size and morphology of the kidneys, liver and spleen in children. Precise measurement of organ dimensions by sonography informs the diagnosis of congenital anomalies, renal dysplasia and organomegaly, and guides management of systemic disorders that alter growth patterns. Normative charts and centile curves, indexed to age, height or body surface area, enable clinicians to distinguish physiological variability from pathological enlargement or atrophy. Recent advances have refined prediction models by incorporating regional and ethnic diversity, adjusting for body composition and improving reproducibility across sonographers. The global expansion of paediatric ultrasound protocols now supports early detection of renal scarring after infection, assessment of visceral involvement in systemic disease and serial monitoring of organ growth in chronic conditions. This interplay of technical standardisation, robust reference data and clinical application underscores the broad significance of sonographic biometry in paediatrics.

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Sonographic Assessment of Renal and Organ Dimensions in Pediatric Populations publication trend

The graph below shows the total number of articles in sonographic assessment of renal and organ dimensions in pediatric populations across all publications each year (not limited to Nature Index journals).

Technical terms

Sonography: Imaging technique that uses high-frequency sound waves to visualise internal organs.

Estimated glomerular filtration rate (eGFR): Calculation of kidney function based on serum creatinine, age and body size.

Body surface area (BSA): Combined measurement of height and weight used to index physiological parameters, including organ dimensions.

Centile curve: Graphical representation of the distribution of measurements (e.g. organ length) across a reference population.

Z score: Standardised value indicating how many standard deviations an individual measurement is from the population mean.

Anthropometric parameters: Physical measurements of the body, such as height, weight and body mass index, used to predict organ size.

References

1. Kidney length normative values in children aged 0–19 years — a multicenter study. Pediatric Nephrology (2021).
2. Normal sonographic liver and spleen dimensions in a central European pediatric population. BMC Pediatrics (2021).
3. Ultrasonographic parameters of the liver, spleen and kidneys among a cohort of school children in Sri Lanka. BMC Pediatrics (2017).