question: my child born with on small right kidney now he is 14 month old and healthy,we done mag3 test which reveals right kidney is well outlined in its normal anatomical position and small in size .fast frame dynamic study makedly shows reduced perrfusion blush over kidney followed by reduced tracer uptake by functioing cortical parenchyma,this followed by sluggish cortical clearance and moderate accumalationof the tracer in pelvicalyceal system after inj frumide complete clearance of the tracer seen the post void image show minmal tracer in renal pelvis computer genrated renogram show markedly reduced cortical uptake and clearance function kidney size is 3.2 cm left kidney is 6.1 cm and perfectly alright right kidne function is 9 % working left is 91% workinf