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Unilateral multicystic dysplastic kidney (MCDK) has an incidence of approximately 1 in 4300 births.1 They are usually isolated, and the natural course is of complete involution with compensatory contralateral renal hypertrophy.2 Associated genitourinary abnormalities occur, most commonly vesicoureteric reflux (VUR), with a reported incidence of 19.7%.3 Most of the identified VUR is not clinically significant and is likely to resolve spontaneously.4
Our local neonatal unit guideline recommended undertaking a micturating cystourethrogram (MCUG) if there was renal pelvic dilatation in the contralateral kidney. Our aim was to audit our clinical practice and evaluate the outcomes.
Data were analysed over a 15-year period, from 2000 to …
Contributors SS designed this study. EH collected the data. EH and SS analysed the data. SS drafted the manuscript. SS and SR reviewed the manuscript. SS, EH and SR approved the final manuscript.
Competing interests None declared.
Patient consent Not required.
Provenance and peer review Not commissioned; externally peer reviewed.
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