The valuation of renal function using radiotracers represents an attractive methodology to value most renal and upper urinary tract diseases in newborns. Restrincting damage, lower irradiation and lack of dangerous side-effect are particularly desiderable in newborns. The radiotracers of choice in our studies were Tc-99m-labeled radiopharmaceutical (DTPA and DMSA), because of their favourable dosimetry. The given dose has been calculated according to the table set forth by the EAMN-Pediatric Task Group. We report some particular cases in which renal scintigraphy represented a good alternative in comparison with more injurious methods in diagnostic classification of newborns.
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