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Articles » Urinary » Posterior urethral valves
2008-11-30-14 Posterior urethral valves © Quiroga
Posterior urethral valves 

Hector Quiroga, MD.

Centro Médico Profesional Rosancar. Barquisimeto, Estado Lara, Venezuela.


Case report

The following images show a case of the posterior urethral valves diagnosed at 13 weeks of a pregnancy. (Note that the amniotic fluid is still abundant)

Images 1, 2: The images show dilated urinary bladder of the fetus. The image 1 shows the typical keyhole appearance of the dilated urinary bladder and proximal urethra due to posterior urethral valves outlet obstruction.


Images 3, 4: The image 3 shows the male fetal genitalia. The image 4 shows dilated fetal urinary bladder and proximal urethra.


Image 5: The image shows 3D appearance of the fetal abdomen dilated by the distended urinary bladder.


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