UrOops3D, danger-zone atlas
Posterior urethral valve ablation · Recognition · D82

The valve

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

Posterior urethral valve ablationRecognition · Core

The scenario

  • Cystoscopy in an infant with a dilated posterior urethra on imaging.
What you see
  • With the scope in the posterior urethra, two thin folds run from the verumontanum forward and downward, meeting near the midline anteriorly.
  • The urethra beyond looks narrower on withdrawal than on advancement.
Valve ablation: the posterior urethra and the verumontanum
Valve ablation: the posterior urethra and the verumontanum
Open the animation

Teaching only · not for diagnosis or treatment decisions