Xanthogranulomatous pyelonephritis
Related Experiment Video
Updated: Aug 11, 2026

Intrarenal Injection of Escherichia coli in a Rat Model of Pyelonephritis
Published on: July 18, 2017
Richard J Hendrickson1, Waleed L Lutfiyya, Frederick M Karrer
1Department of Pediatric Surgery, The Children's Hospital/The University of Colorado Health Science Center, Denver, CO 80218, USA. hendrickson.richard@tchden.org
Abstract:
Xanthogranulomatous pyelonephritis is a rare condition in children. A 7-year-old boy developed right flank pain and tenderness 1 month after an appendectomy. Abdominal computed tomography scan documented a right renal mass. A right nephrectomy was performed. The pathological report documents xanthogranulomatous pyelonephritis. He experienced an uneventful recovery. Xanthogranulomatous pyelonephritis should be included in the differential diagnosis of children with fever, weight loss, flank tenderness, and a renal mass.
Related Concept Videos
Acute Pyelonephritis I: Introduction
Acute Pyelonephritis II: Diagnostic Studies and Management
Atypical Pneumonia
Streptococcal Pharyngitis
Pulmonary Tuberculosis III
The first classification is based on the development of the disease, and it includes the following categories:
Imaging Studies V: Intravenous Urography and Retrograde Pyelography
