Ureteroscopy · Recognition · D01
The wire that is not there
Allow about two minutes for two rounds. This scenario is teaching content; the score supports revision and does not assess clinical competence.
The scenario
- Semirigid ureteroscopy for a 7 mm mid-ureteric stone.
- A safety wire went up to the kidney without difficulty.
What you see
- You advance the scope past the iliac vessels.
- The wire, which has been running alongside the scope in the lumen, is no longer in view.

Teaching only · not for diagnosis or treatment decisions