Peter R Coombs1,2, Ilona Lavender3, Michelle Y Z Leung4, Jessica C Woods4, Eldho Paul5, Nathalie Webb6, Michael Ditchfield3,7. 1. Ultrasound, Monash Imaging, Monash Children's Hospital, Monash Health, 246 Clayton Road, Clayton, 3168, Australia. Peter.Coombs@monash.edu. 2. Department of Medical Imaging and Radiation Sciences, Faculty of Medicine, Monash University, Clayton, Australia. Peter.Coombs@monash.edu. 3. Ultrasound, Monash Imaging, Monash Children's Hospital, Monash Health, 246 Clayton Road, Clayton, 3168, Australia. 4. Department of Medical Imaging and Radiation Sciences, Faculty of Medicine, Monash University, Clayton, Australia. 5. Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Monash University, Clayton, Australia. 6. Department of Paediatric Urology, Monash Children's Hospital, Monash Health, Clayton, Australia. 7. Department of Paediatrics and Department of Diagnostic Imaging, Monash University, Clayton, Australia.
Abstract
BACKGROUND: Reference charts depicting normal growth are important for the sonographic assessment of the pediatric kidney. Limited charts are available for clinical use in an Australian population. OBJECTIVE: To retrospectively collate sonographic renal length measurements in a cohort of low-risk Australian children aged newborn to 16 years to produce a reference table and comparison with other published charts. MATERIALS AND METHODS: We identified consecutive pediatric patients who were at low risk for renal disease and had renal lengths measured. After exclusions, we included 941 renal lengths (male 490, female 451). We used linear regression to estimate the relationship of renal length with age, gender and side. We calculated percentile values of renal length according to age categories. RESULTS: No statistically significant differences in mean renal length were observed between males and females, or for left and right kidneys. We tabulated reference data and provide them in a reference chart (1-, 2.5-, 5-, 10-, 50-, 90-, 97.5- and 99-percentiles). CONCLUSION: We calculated new reference ranges for pediatric renal length using a larger cohort than previously published, from a population with diverse ethnicity.
BACKGROUND: Reference charts depicting normal growth are important for the sonographic assessment of the pediatric kidney. Limited charts are available for clinical use in an Australian population. OBJECTIVE: To retrospectively collate sonographic renal length measurements in a cohort of low-risk Australian children aged newborn to 16 years to produce a reference table and comparison with other published charts. MATERIALS AND METHODS: We identified consecutive pediatric patients who were at low risk for renal disease and had renal lengths measured. After exclusions, we included 941 renal lengths (male 490, female 451). We used linear regression to estimate the relationship of renal length with age, gender and side. We calculated percentile values of renal length according to age categories. RESULTS: No statistically significant differences in mean renal length were observed between males and females, or for left and right kidneys. We tabulated reference data and provide them in a reference chart (1-, 2.5-, 5-, 10-, 50-, 90-, 97.5- and 99-percentiles). CONCLUSION: We calculated new reference ranges for pediatric renal length using a larger cohort than previously published, from a population with diverse ethnicity.
Entities:
Keywords:
Adolescents; Children; Kidney; Normal references; Size; Ultrasound
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