Related Experiment Video
Updated: May 18, 2026

Intrarenal Injection of Escherichia coli in a Rat Model of Pyelonephritis
Published on: July 18, 2017
Eosinophilic ureteritis. Report of a case
Pablo Eguíluz Lumbreras1, Manuel Herrero Polo, Alberto Palacios Hernández
1Urology Department, Hospital Clínico Universitario de Salamanca, Salamanca, Spain. paeglu@hotmail.com
Objective:
We present the case of a patient with eosinophilic ureteritis.
Methods:
The patient was admitted with pain on the right renal fossa, and after several imaging tests, a mass was found on the right ureter, compatible with urothelial neoplasia on the right ureter.
Results:
Right nephroureterectomy was performed and the histopathological diagnosis was eosinophilic ureteritis
Conclusion:
Eosinophilic ureteritis is a rare entity with an unclear etiology,which is not easily distinguished from urothelial tumours. In the differential diagnosis we must take it into account whenever we find a ureteral mass associated to eosinophilia.
Related Concept Videos
Acute Pyelonephritis I: Introduction
Acute Pyelonephritis II: Diagnostic Studies and Management
Urinary Tract Infection I: Introduction
Urologic Endoscopic Procedure: Cystoscopic Examination
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
Ureters

