Paediatric xanthogranulomatous pyelonephritis
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Updated: Oct 30, 2026

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Published on: July 7, 2026
T R Goodman1, K McHugh, D R Lindsell
1Department of Radiology, John Radcliffe Hospital, Oxford, UK.
Insights
Xanthogranulomatous pyelonephritis (XGP), a rare chronic kidney infection, is increasingly seen in children and can mimic Wilms' tumor. Early recognition of XGP in pediatric patients is crucial for timely diagnosis and treatment.
Area of Science:
- Nephrology
- Pediatric Nephrology
- Pathology
Background:
- Xanthogranulomatous pyelonephritis (XGP) is a rare, chronic inflammatory condition affecting the kidney.
- Classically, XGP is observed in middle-aged women but is increasingly diagnosed in pediatric populations.
- XGP can present with symptoms that mimic other serious conditions, such as Wilms' tumor.
Observation:
- This report details two pediatric cases of Xanthogranulomatous Pyelonephritis.
- The cases highlight the diagnostic challenges XGP poses in children.
- Literature review on pediatric XGP is included.
Findings:
- Xanthogranulomatous pyelonephritis in children requires careful differentiation from Wilms' tumor.
- Prompt recognition of XGP in pediatric patients is essential.
- Early diagnosis facilitates appropriate management strategies.
Implications:
- Increased awareness of XGP in children can lead to earlier diagnosis.
- Timely intervention for pediatric XGP may improve patient outcomes.
- This review aids clinicians in identifying and managing XGP in pediatric cases.
Abstract:
Xanthogranulomatous pyelonephritis (XGP) is a well recognised but rare type of chronic pyelonephritis classically occurring in middle-aged women. It is increasingly being recognised in children in whom it can be mistaken for Wilms' tumour. Awareness of the possibility of this condition occurring in children may allow early recognition and possible treatment. Two cases of XGP in children are described and the literature reviewed.
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