Related Experiment Video
Updated: Jul 23, 2026

Monitoring the Wall Mechanics During Stent Deployment in a Vessel
Published on: May 8, 2012
Double J stent forgotten for 7 years: a case report
Chun-Kai Chen1, Ching-Chia Li, Hung-Lung Ke
1Department of Urology, Kaohsiung Medical University, Kaohsiung, Taiwan.
Abstract:
Ureteral stents are an integral part of urologic practices. Nonetheless, stents that migrate, fragment, or are forgotten pose management and legal dilemmas. We report the case of a "forgotten" stent, which migrated upward into the right renal pelvis, concomitant with a ureteral stone. The "forgotten" stent was placed 7 years previously during right ureteral stone treatment. The patient finally underwent nephroscopic stent retrieval and ureteroscopic ureteral stone removal. The final plain X-ray demonstrated no stone fragment or residual double J stent fragment. The patient withstood the procedure well and was free of symptoms thereafter.
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