Preferred Label : keyhole sign of bladder;
Definition : Thick-walled bladder and dilated posterior urethra resemble a keyhole on an ultrasound
of a male fetus or infant. Suggests obstruction due to posterior urethral valves.;
Source : RadioGraphics 2004;24:S247-S280;
Origin ID : RID35325;
Associated condition(s)
Thick-walled bladder and dilated posterior urethra resemble a keyhole on an ultrasound
of a male fetus or infant. Suggests obstruction due to posterior urethral valves.
