One-year-old male child presented with poor urinary stream since birth. The investigation of choice for evaluation is –: (A) Voiding cystourethrography (VCUG), (B) USG bladder, (C) Intravenous urography, (D) Uroflowmetry
Answer is A. Poor urinary stream since birth suggests urinary tract obstruction (usually intravesical).
Most common cause of urinary tract obstruction in a male child is → posterior urethral valve.
And the best diagnostic method for posterior urethral valve is voiding cystourethrogram.