A 12-hour boy born 39 weeks’ gestation is evaluated for a palpable suprapubic mass. He has not yet voided but has passed meconium. Pregnancy was complicated by mild oligohydramnios. Which of the following is most likely to be seen in this patient?
A) Abnormality of the urogenital sinus
B) Abnormal retrograde cystourethrogram
C) Opsoclonus-myoclonus syndrome
D) Pyelonephritis
E) Vesicoureteral reflux

