Background correction in estimating initial renal uptake. Comparison between Tc-99m MAG3 and Tc-99m DTPA.


A gamma camera method with no blood sampling assesses differential renal function based on initial renal uptake, and requires background correction. The effect of background correction on estimates of initial renal uptake was compared on renograms using Tc-99m MAG3 and Tc-99m DTPA renographies in 14 patients. Renal counts for 2-3 minutes were obtained using… (More)


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