2008-11-30-14 Posterior urethral valves © Quiroga www.thefetus.net/
Posterior urethral valves
Hector Quiroga, MD.
Centro Médico Profesional Rosancar. Barquisimeto, Estado Lara, Venezuela.
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.