PCNL · Technique · D17

Dilating past the calyx

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

PCNLTechnique · Advanced

The scenario

  • PCNL, balloon dilatation of a lower-pole tract over a coiled wire.
What you see
  • On fluoroscopy the deflated balloon advances over the wire.
  • Its radio-opaque markers are now well past the calyx and lie over the renal pelvis.
Plate from the linked animation. Schematic to come: the dilator tip against the calyx, the pelvis and the hilum
Schematic to come: the dilator tip against the calyx, the pelvis and the hilumSchematic pending
Open the animation

Teaching only · not for diagnosis or treatment decisions