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Ultrasonography and renography to visualize upper urinary tract in children with meningomyelocele - A prospective study.

Journal article
Authors Kate Abrahamsson
Eira Stokland
Rune Sixt
Ulf Jodal
Published in Journal of pediatric urology
Volume 8
Issue 2
Pages 174-176
ISSN 1873-4898
Publication year 2012
Published at Institute of Clinical Sciences, Department of Pediatrics
Pages 174-176
Language en
Subject categories Pediatric surgery


OBJECTIVE: Ultrasonography (US) is commonly used to visualize the upper urinary tract in children and adolescents with meningomyelocele (MMC). The aim of this investigation was to prospectively evaluate US in those with spinal angulation or obesity and compare it to the corresponding results obtained by mercaptoacetyltriglycine renography. PATIENTS AND METHODS: Twenty-five children and adolescents with MMC and pronounced angulation of the spine or obesity, were prospectively investigated with both US and renography during the period 2006 to 2008. RESULTS: In 13 (52%) patients the kidneys could not be fully evaluated; in 4 (16%) neither renal size nor pelvic dilation, in 12 (48%) renal length and in 5 (20%) dilation was not accessible. In 23 individuals where dilatation could be evaluated uni- or bilaterally, US was compared to OEE% (%outflow excretion efficiency) at renography. In 1 of these individuals there was normal OEE% while slight dilatation on US was noticed. In 2/15 individuals, split function at renography did not correlate with renal length on US. CONCLUSION: Severe spinal angulation and obesity in individuals with MMC reduced the possibility to evaluate the urinary tract by US. However, it seems that renography could be a reliable alternative to evaluate renal condition in those patients where US is insufficient.

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