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Urology. 2017 Dec;110:259-261. doi: 10.1016/j.urology.2017.06.051. Epub 2017 Aug 31.

Complete Calcified Ureteral Stent: A Combined 1-Session Approach.

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Division of Urology, Department of Surgery, University of Sao Paulo Medical School, Sao Paulo, SP, Brazil. Electronic address:
Division of Urology, Department of Surgery, University of Sao Paulo Medical School, Sao Paulo, SP, Brazil.



To demonstrate a successful 1-session approach to a complete calcified ureteral stent, preserving the affected kidney without complications.


A 33-year-old man presented at our service with an increased urinary frequency, afebrile urinary tract infection, and left lumbar pain. He underwent a ureterolithotripsy with ureteral stenting 3 years ago. After that intervention, he was lost to follow-up. A noncontrast computed tomography scan revealed a complete calcified ureteral stent (FECal V). After careful preoperative planning, the patient was submitted to a combined 1-step approach including left semirigid ureteroscopy, left percutaneous nephrolithotomy, and an open cystolithotomy in supine decubitus. This video demonstrates the surgical steps of the procedure for a FECal V (completely calcified) stent removal.


Operative time was 240 minutes. The calcified stent was completely removed. A 6 Fr ureteral catheter and a 16 Fr nephrostomy tube were left at the end of the procedure. No double-J stent was used to avoid the same kind of complication. The patient had no peri- or postoperative complications. A computed tomography scan was performed in the first postoperative day (POD) and revealed 2 small residual fragments (7 mm and 6 mm). The ureteral catheter was removed on the first POD, and the nephrostomy tube on the second POD. The patient was discharged from hospital on the third POD. The patient is now scheduled to a flexible ureteroscopy to treat the small residual fragments.


Forgotten ureteral stent is a surgical challenge, requiring multiple approaches and advanced urologic techniques. Our video illustrates that a less invasive and combined 1-step procedure to preserve the kidney is both safe and feasible, when performed by an experienced surgeon.

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