A newborn male is admitted to emergency department due to oliguria and a midline mass located in the lower abdomen. What is your diagnosis?
A) Omphalomesenteric cyst
B) Wilms tumor
C) Cryptorchidism
D) Bladder exstrophy
E) Posterior urethral valves
F) Hypospadias
G) Patent urachus
[expand title=”CLICK HERE VIEW CORRECT ANSWER:”][sociallocker]Correct answer is E, Posterior Urethral Valves (PUV) disorder is an obstructive developmental anomaly in the urethra and genitourinary system of male newborns. A posterior urethral valve is an obstructing membrane in the posterior male urethra as a result of abnormal in utero development. It is the most common cause of bladder outlet obstruction in male newborns.[/sociallocker][/expand]