Ureteroscopy · Prevention · D05

The sheath that meets resistance

Allow about two minutes for two rounds. This scenario is teaching content; the score supports revision and does not assess clinical competence.

UreteroscopyPrevention · Core

The scenario

  • Flexible ureterorenoscopy for a 12 mm lower-pole stone.
  • No previous stent.
  • A 12/14 Fr access sheath is being advanced over the wire.
What you see
  • Fluoroscopy shows the sheath tip at the level of the iliac vessels.
  • It stops.
Flexible ureterorenoscopy: the access sheath advancing over the wire
Flexible ureterorenoscopy: the access sheath advancing over the wire
Open the animation

Teaching only · not for diagnosis or treatment decisions