urethral atresia

Urethral agenesis (or urethral atresia) refers to a situation where there is a congenital absence of the urethra.  It can be a cause of fetal obstructive uropathy.



Radiographic features

Antenatal ultrasound

May show a dilated fetal bladder + / - dilated upper tracts.

Ancillary sonographic features include


It is incompatible with life unless an alternative communication between the bladder and amniotic sac exists. In selected situations intra uterine vesico-amniotic shunts can be considered.

Differential diagnosis

For a dilated bladder and upper tract in utero consider

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