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Related Experiment Video

Updated: May 31, 2026

Vessel-sparing Excision and Primary Anastomosis

Vessel-sparing Excision and Primary Anastomosis

Published on: January 7, 2019

Delayed proximal ureteric stricture formation after complex partial nephrectomy.

Jose M Reyes¹, Daniel J Canter, Mohit Sirohi

¹Division of Urologic Oncology, Department of Surgical Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA.

BJU International

|July 8, 2011

Summary

This summary is machine-generated.

Delayed ureteric stricture (US) after complex nephron-sparing surgery (NSS) is uncommon. Risk factors include tumor complexity and postoperative complications like urinary leaks or hemorrhage.

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Published on: July 18, 2025

Area of Science:

Urology
Oncology
Surgical Innovation

Background:

Nephron-sparing surgery (NSS) is a standard treatment for kidney cancer.
Delayed ureteric stricture (US) is a potential complication following NSS.
Understanding the incidence and risk factors for US after complex NSS is crucial for patient outcomes.

Purpose of the Study:

To determine the incidence of delayed ureteric stricture (US) after complex nephron-sparing surgery (NSS).
To review patient and tumor characteristics associated with delayed US.
To identify potential risk factors for US formation post-NSS.

Main Methods:

Retrospective review of a kidney cancer institutional database.
Analysis of 720 patients who underwent NSS between 2000 and 2010.
Identification and characterization of 11 patients who developed delayed US.

Main Results:

The incidence of delayed US after complex NSS was 1.5% (11 out of 720 patients).
Commonly associated factors included postoperative urinary leak (72.7%) and retroperitoneal hemorrhage (18.2%).
Strictures occurred in the upper ureter, diagnosed at a median of 154 days postoperatively.

Conclusions:

Delayed ureteric stricture (US) is an uncommon but under-reported complication of complex NSS.
Tumor complexity, imperative indications, tumor location, and postoperative complications are potential risk factors.
Patients undergoing NSS for complex renal masses require counseling and vigilant postoperative surveillance for US.