List five applications for VCUG. (Voiding cystourethrogram)

1. To identify and quantitate vesicoureteral reflux
2. To investigate the anatomy of the bladder neck and urethra, especially following trauma
3. To show obstructions, such as strictures or urethral valves
4. To demonstrate emptying of the bladder and control of micturition
5. To evaluate voiding dysfunction and neurogenic bladder