Posterior urethral valves

Case contributed by Martin Bundi Rugendo
Diagnosis almost certain

Presentation

Primigravida for routine morphology scan.

Patient Data

Age: 24 weeks gestation
Gender: Male
ultrasound

The fetal urinary bladder is distended, with mural trabeculations and thickening of the wall. The posterior urethra was seen connecting with the fetal urinary bladder creating the keyhole sign.

The renal calyceal system is bilaterally dilated.

There was no pocket of amniotic fluid evident.

There were no other abnormalities noted. (Images not uploaded).

Case Discussion

The features are most consistent with posterior urethral valves.

Posterior urethra valves is a congenital anomaly where abnormal mucosal folds obstruct the posterior urethra, leading to urinary tract obstruction.

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.