Posterior urethral valve

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Antenatal hydronephrosis.

Patient Data

Age: 2 weeks
Gender: Male

MCU

Fluoroscopy

On the preliminary images there are two small calcifications projecting over the left renal shadow. The bladder is enlarged and trabeculated. The posterior urethra is markedly dilated with a possible shelf seen at the transition to non-dilated anterior urethra. No vesicoureteric reflux was seen. 

Case Discussion

These findings are consistent with posterior urethral valve (a.k.a. posterior obstructive congenital urethral membrane - POCUM). 

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.