Posterior urethral valves

Posterior urethral valves with dilatation of the urinary tract and mega ureters on both sides. The bladder wall is thickened and there is a large residue after voiding.

Clinical information

Screening because of a dilatated urinary tract seen on a prenatal ultrasound examination

Ultrasound Images & Clips

Posterior urethral valves with dilatation of the urinary tract and mega ureters on both sides. The bladder wall is thickened and there is a large residue after voiding.

Dilatation of the urinary tract on the right side
Dilatation of the urinary tract on the right side
Mega ureter on the right side
Mega ureter on the right side
Dilatation of the urinary tract on the left side
Dilatation of the urinary tract on the left side
Mega ureter on the left side
Mega ureter on the left side

Posterior urethral valves with dilatation of the urinary tract and mega ureters on both sides. The bladder wall is thickened and there is a large residue after voiding.

Bladder wall thickening longitudinal
Bladder wall thickening longitudinal
Dilatated posterior urethra longitudinal
Dilatated posterior urethra longitudinal

Residue after voiding

Bladder wall thickening
Bladder wall thickening
Distal ureteric dilatation transverse
Distal ureteric dilatation transverse
Distal ureteric dilatation transverse
Distal ureteric dilatation transverse

The same patient after catheter placement. The dilatation has reduced.

Right kidney longitudinal
Right kidney longitudinal
Right kidney transverse
Right kidney transverse
Left kidney longitudinal
Left kidney longitudinal
Left kidney transverse
Left kidney transverse

Details

  • Sex: Male
  • Age: neonate
  • Body part: Kidneys

Created with

  • Hitachi Ultrasound System