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Related Experiment Video

Updated: May 19, 2026

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis

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An unusual experience with ureterorenoscopy: a case report.

B Shrestha¹, J L Baidya

¹Department of Urology, B & B Teaching Hospital, Nepal. drbinodshrestha@gmail.com

Journal of Nepal Health Research Council

|August 30, 2012

Summary

A rare case of ureteral avulsion occurred during ureterorenoscopy after failed Extracorporeal Shock Wave Lithotripsy for a hard ureteral stone. An ileal transposition was performed to repair the complete ureter avulsion.

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An Immature Murine Model of Reversible Unilateral Ureteral Obstruction

An Immature Murine Model of Reversible Unilateral Ureteral Obstruction

Published on: April 4, 2025

Area of Science:

Urology
Surgical Innovation

Background:

Management of complex ureteral stones often requires advanced endoscopic techniques.
Ureteral strictures can complicate procedures like ureterorenoscopy (URS).

Observation:

A 42-year-old female presented with a hard upper ureteral stone.
Initial Extracorporeal Shock Wave Lithotripsy (ESWL) failed to fragment the stone.
Ureterorenoscopy was attempted, but a tight ureteral stricture impeded scope passage.

Findings:

Complete avulsion of the entire ureter occurred during ureterorenoscopy scope withdrawal.
This rare complication necessitated immediate abdominal exploration.

Implications:

Highlights the potential risks associated with ureterorenoscopy in cases of ureteral strictures.
Demonstrates the utility of ileal transposition as a reconstructive option for complete ureteral avulsion.
Emphasizes the need for careful technique and preparedness for rare complications in urological procedures.