Related Experiment Video
Updated: May 22, 2026

A Neonatal Imaging Model of Gram-Negative Bacterial Sepsis
Published on: August 12, 2020
Xanthogranulomatous pyelonephritis in early infancy.
Anand Upasani1, JaiBharat Panwar, Sudhir Chandna
1Paediatric Surgery Department, Smt NHL Municipal Medical College and Sheth Vadilal Sarabhai General Hospital, Ahmedabad, India.
Xanthogranulomatous pyelonephritis is a severe kidney infection that often mimics cancer. Definitive diagnosis requires surgical exploration and histopathology, revealing characteristic inflammatory cells and lipid-laden macrophages.
Area of Science:
- Nephrology
- Pathology
- Radiology
Background:
- Xanthogranulomatous pyelonephritis (XGP) is a rare, destructive renal inflammatory condition.
- It presents as a severe, atypical form of chronic kidney infection.
- XGP can mimic neoplastic and other inflammatory renal diseases, complicating diagnosis.
Observation:
- Characteristic findings are visible on sonography and CT scans.
- However, a definitive clinical diagnosis of XGP is rarely achievable.
- Surgical exploration is often necessary for accurate diagnosis.
Findings:
- Exploration reveals dense adhesions to surrounding tissues and renal pus.
- Histopathological examination confirms the diagnosis.
- Key findings include lipid-laden foamy macrophages alongside acute and chronic inflammatory cells.
Implications:
- Accurate diagnosis of XGP is crucial for appropriate management.
- Distinguishing XGP from renal tumors is essential to avoid unnecessary oncological interventions.
- Understanding the histopathological hallmarks aids in differentiating XGP from other renal pathologies.
Related Concept Videos
Acute Pyelonephritis I: Introduction
Acute Pyelonephritis II: Diagnostic Studies and Management
Atypical Pneumonia
Bacterial Meningitis I: Introduction
Development of Immunocompetence
The initial cells that migrate from the fetal thymus settle within the skin and epithelial tissues lining the mouth, digestive tract, and in females, the uterus and vagina. These cells, including skin-based dendritic cells, serve as antigen-presenting cells, playing a key role in T cell activation.
Subsequent T...
Pharmacokinetics in Pediatric Patients: Drug Excretion
