Potential impact of pediatric MR urography on the imaging algorithm in patients with a functional single kidney

AJR. American Journal of Roentgenology
M RiccabonaMarcus Riccabona

Abstract

The purpose of this study was to evaluate the potential of MR urography in the assessment of children with a suspected "functional single kidney." Sixty patients (age range, 2.7 weeks to 15.7 years) who had been referred for assessment of a suspected functional single kidney underwent MR urography in addition to detailed sonography of the urinary tract and the currently indicated standard imaging. The results of the conventional imaging ((99m)Tc-dimer captosuccinic acid scintigraphy, voiding cystourethrography, and genitography) were compared with the results of sonography and MR urography; surgical findings served as the gold standard if available. Twenty-six patients had a single kidney. The other diagnoses were six contralateral multicystic dysplastic kidneys, two normal ectopic kidneys, one crossfused double system, and 25 ectopic or dysplastic renal buds. Scintigraphy detected all normal kidneys, two ectopic kidneys, and two dysplastic renal buds. Detailed sonography missed two ectopic kidneys and two orthotopic dysplastic renal buds, but one additional renal bud that could not be confirmed on other imaging techniques (accuracy, 91.7%; sensitivity, 88.2%; specificity, 96.2%) was suspected. MR urography results were correct...Continue Reading

References

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Citations

Jun 23, 2005·Der Radiologe·M MemarsadeghiG Heinz-Peer
Jun 23, 2006·Pediatric Radiology·J Damien Grattan-Smith, Richard A Jones
May 19, 2009·Pediatric Radiology·Michael Riccabona
Sep 8, 2011·Journal of Indian Association of Pediatric Surgeons·Conjeevaram Rajendrarao Thambidorai, Zulfiqar Anuar
Mar 10, 2015·Journal of Advanced Research·Sally Emad-EldinTarek A El-Diasty
Feb 19, 2014·Pediatric Radiology·Victor H FigueroaWalid Farhat
Oct 14, 2008·European Journal of Radiology·Riccabona Michael
Oct 18, 2008·Magnetic Resonance Imaging Clinics of North America·J Damien Grattan-Smith, Richard A Jones
Jul 18, 2008·Journal of Pediatric Urology·Wolfgang H CerwinkaAndrew J Kirsch
Aug 25, 2015·Case Reports in Urology·Mahdi KhoshchehrehMarzieh Pazoki
Oct 8, 2008·Nature Clinical Practice. Urology·David T Duong, Linda Md Shortliffe
Jun 10, 2010·Current Opinion in Urology·Wolfgang H Cerwinka, Andrew J Kirsch

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