Moderate antenatal renal pelvic dilation (5-15 mm) may suggest vesicoureteric reflux, but it is not known to predict renal scarring. Dimercaptosuccinic acid scans on such children aged over 4 years showed a scarring rate (0/133 boys, 1/56 girls) similar to our local population. Investigation and treatment of moderate dilation may not be required.
Plant ND, Hornung RJ, Coulthard MG, Keir MJ, Mathews JNS, Robson SC. Does antenatal pelvic dilatation predict renal scarring? Arch. Dis. Child Fetal Neonatal Ed, 2005, 90:339-340.
Dr. Michael J. Keir, RVI Unit, Newcastle upon Tyne. Tel: +44 (0)191-233-6161.
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