UrOops3D, danger-zone atlas
Sacral neuromodulation · Recognition · D97

The lead in S3

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

Sacral neuromodulationRecognition · Advanced

The scenario

  • Sacral neuromodulation lead placement under fluoroscopy.
What you see
  • On the lateral view the lead passes through a foramen and curves gently downward and forward along the nerve.
  • On stimulation there is a bellows contraction of the perineum and plantar flexion of the great toe.
Plate from the linked animation. Schematic to come: lateral sacrum with the lead curving through S3
Schematic to come: lateral sacrum with the lead curving through S3Schematic pending
Open the animation

Teaching only · not for diagnosis or treatment decisions