MAG3 dynamic renal scan. Dynamic images (a) show reduction of uptake in left kidney, which is smaller than the other one, with irregular shape and normal drainage. Right kidney shows good and homogeneous radiotracer uptake and normal drainage. Renograms (b) confirm moderate hypofunction and normal drainage of left kidney and normal function and drainage of right kidney; flow T/A curves (b) show synchronous but asymmetrical perfusion (reduced in left kidney). IRC images (c) and time-activity curves (d) show complete but irregular bladder emptying and no evidence of VUR

MAG3 dynamic renal scan. Dynamic images (a) show good and homogeneous radiotracer uptake in left kidney. Right kidney is smaller than the other one, with irregular shape and reduction of uptake. Drainage is normal in both kidneys. Left renogram shows normal function and drainage; right kidney renogram has low width, reduced function, and normal drainage. Flow T/A curves (b) show synchronous but asymmetrical perfusion (reduced in right kidney). Micturition is obtained only after several attempts (all registered); one of these IRC registrations is displayed and shows no bladder emptying and no evidence of VUR (c, d); finally, voiding was obtained, and IRC images (e) and time-activity curves (f) show a complete and regular bladder emptying and no evidence of VUR