«Forgotten» encrusted ureteral stents

Abstract

The article presents a rare clinical observation of patient S., 50 years old, a long-term sufferer of urolithiasis, who was admitted to the urological department of the hospital with a clinical picture of renal colic on the leſt side, exacerbation of chronic pyelonephritis. From the anamnesis: in 2021, internal stenting of both ureters was performed as indicated. Despite detailed recommendations at discharge, the patient did not consult doctors or take any medications until 2023. The examination revealed that the cause of exacerbation of chronic pyelonephritis and impaired urine outflow were encrusted (“forgotten”) stents in both ureters, in the leſt of which there was a concrement obstructing urine outflow. Ureteroscopy on the right side, stent fragments extraction; ureteroscopy on the leſt side, contact lithotripsy, removal of the encrusted ureteral stent; urinary passage and independent urination were restored. Despite technical difficulties during the surgical intervention, the postoperative period proceeded without complications.

Keywords

• internal ureteral stenting
• stent encrustation
• urolithiasis
• ureteroscopy
• chronic pyelonephritis