What is the role of voiding cystourethrography (VCUG) in the workup of overactive bladder (OAB) in children?

Updated: Apr 01, 2019
  • Author: Pamela I Ellsworth, MD; Chief Editor: Edward David Kim, MD, FACS  more...
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Voiding cystourethrography (VCUG) is indicated in children with a history of a febrile UTI or recurrent UTIs, depending on age, to rule out vesicoureteral reflux. It may also be indicated in a child with an abnormal flow pattern to rule out bladder outlet obstruction (eg, from posterior urethral valves, stricture, or syringocele).

A spinning-top dilated proximal urethra revealed by VCUG during the voiding phase suggests detrusor-sphincter dysfunction.

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