MRI detection of atrophic kidney in a hypertensive child with a single kidney

The role of magnetic resonance imaging (MRI) in the work-up of secondary causes of pediatric hypertension is typically restricted to that of renovascular causes where main renal artery stenosis is suspected. We report a case of a 10-year-old female child with hypertension, who was thought to have un...

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Bibliographic Details
Published in:Pediatric nephrology (Berlin, West) West), 2005-08, Vol.20 (8), p.1192-1194
Main Authors: Valentini, Rudolph P, Langenburg, Scott, Imam, Abubakr, Mattoo, Tej K, Zerin, J Michael
Format: Article
Language:English
Subjects:
Atrophy
Care and treatment
Case studies
Child
Diagnosis
Female
Humans
Hypertension
Hypertension - pathology
Kidney - abnormalities
Kidney - pathology
Kidney diseases
Magnetic Resonance Angiography
Magnetic Resonance Imaging
Risk factors
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Summary:The role of magnetic resonance imaging (MRI) in the work-up of secondary causes of pediatric hypertension is typically restricted to that of renovascular causes where main renal artery stenosis is suspected. We report a case of a 10-year-old female child with hypertension, who was thought to have unilateral renal agenesis, because only a solitary left kidney could be visualized on both ultrasound and renal scintigraphy. Our patient underwent magnetic resonance imaging because of suspected renal artery stenosis in her solitary left kidney. At MRI she was found to have a normal left kidney. However, a very tiny, atrophic right kidney was also visualized. A laparoscopic right nephrectomy was performed, which resulted in complete resolution of her hypertension. This case illustrates a possible additional role for MRI in a very small subset of pediatric hypertensive patients: those with a single kidney on ultrasound.
ISSN:0931-041X
1432-198X
DOI:10.1007/s00467-005-1914-9