A prospective study of detecting vesicoureteric reflux (VUR) by ultras
ound is to be presented. In case of reflux, gas bubbles can be seen in
the renal pelvis during the filling phase of a gas cystogram and duri
ng micturition, utilizing ultrasound as the imaging modality. In child
ren under two years 52 sonographic reflux studies were performed and c
ompared with radiographic voiding cystourethrograms (VCUG). All higher
grade VUR (grades II-IV) have been detected by our method.