"A urologist performs a ureteroscopy to find the cause of urine blockage in a ureter or to evaluate other problems inside the ureters or kidneys. During a ureteroscopy, a urologist can see. a stone in a ureter or kidney. problematic tissue, tumors, or cancer in a ureter or in the lining of a kidney."
https://www.niddk.nih.gov/health-information/diagnostic-test...

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Note added at 20 mins (2023-06-07 15:32:01 GMT)
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Urétérorénoscopie souple - Service d'urologie
CHUV
https://www.chuv.ch › ureterorenoscopie-souple
Urologie URS sur www.chuv.ch
6 févr. 2018 — Cette technique permet d'extraire les calculs rénaux logés dans les recoins les plus inaccessibles du rein qui ne pouvaient être traités avant l ...

Ureterorenoscopy Procedure | Kidney Stone Removal
HCA Healthcare UK
https://www.hcahealthcare.co.uk › ...
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A ureterorenoscopy uses a pencil-thin, flexible telescope (ureterorenoscope) to find and break up kidney stones. Read more about the procedure and recovery.

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Note added at 1 heure (2023-06-07 16:51:56 GMT)
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Ureterorenoscopy (URS) for kidney and ureteral stones
Goldstadt Privatklinik
https://goldstadt-privatklinik.de › u...
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Ureterorenoscopy (URS) is a minimally invasive surgical procedure that allows the ureter and kidney to be examined naturally. URS can be used to diagnose ...