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Xanthogranulomatous pyelonephritis with unconnected liver lesion
Abdurrahman Karaman1, Emine Samdancı, Metin Doğan
1Department of Pediatric Surgery, Inonu University, Faculty of Medicine, Turgut Ozal Medical Center, Malatya, Turkey. akaraman@inonu.edu.tr
Urology
|November 25, 2010
Summary
Xanthogranulomatous pyelonephritis (XGP) is a rare chronic kidney inflammation. This case highlights XGP misdiagnosed as Wilms' tumor in an infant, emphasizing the need for increased diagnostic awareness.
Area of Science:
- Pediatric Nephrology
- Pediatric Pathology
- Medical Imaging
Background:
- Xanthogranulomatous pyelonephritis (XGP) is a rare, chronic inflammatory condition of the kidney.
- It involves the destruction and replacement of renal parenchyma with granulomatous tissue.
- XGP is exceptionally uncommon in pediatric patients.
Observation:
- A 5-month-old male infant presented with a left renal and hepatic mass identified via ultrasound.
- The infant's condition was preoperatively misdiagnosed as Wilms' tumor.
- Surgical intervention included a total nephrectomy and liver lesion biopsy.
Findings:
- Histopathological examination confirmed xanthogranulomatous pyelonephritis in both the renal and liver lesions.
- The findings underscore the challenges in differentiating XGP from other pediatric renal masses.
Implications:
- Increased clinical awareness of XGP is crucial for preoperative diagnosis, even with associated extra-renal lesions.
- This case emphasizes the importance of considering rare differential diagnoses in pediatric oncology.
- Accurate diagnosis of XGP can guide appropriate management and potentially avoid unnecessary radical surgeries.
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