Ecografía con contraste del tracto urinario en el niño

Serial voiding urosonography is an imaging technique that has been used to detect vesicoureteral reflux in children for more than a decade, and is now also used to study the urethra. The main advantage of this technique is it does not use radiation. The aim of this article is to describe how to carry out this technique successfully. In this update on serial voiding urosonography, the indications, the entire procedure, and the different characteristics of this technique are described, as it may soon become the technique of choice for screening for vesicoureteral reflux, as well as for urethral pathology in children.