Gravity-assisted drainage imaging in the assessment of pediatric hydronephrosis

<p><strong>Introduction:</strong> As early detection of hydronephrosis increases, we require better methods of distinguishing between pediatric patients who require pyeloplasty vs. those with transient obstruction. Gravity-assisted drainage (GAD) as part of a standardized diuretic renography protocol has been suggested as a simple and safe method to differentiate patients.</p><p><strong>Methods:</strong>...