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FIGURE 1. Diuretic renography (F+0) in 6-mo-old boy who had febrile UTI by age of 2 mo. Renal sonography and VCUG had normal findings. (A) One-minute posterior views demonstrate normal tracer uptake by both kidneys and rapid washout, with bladder activity visible from third minute after injection and spontaneous micturition occurring at minute 10. (B) Left (red) and right (blue) renal time–activity curves show symmetric relative function (left, 50%; right, 50%) and normal time to peak (<180 s).
