Comparison of Tested Amino Acid Tracers with 123I-3-IMT (Reference)
| Tracer | Tumor | Kidney | Heart DUR | T/BKG | ||||
|---|---|---|---|---|---|---|---|---|
| DUR | K1 | DUR | K1 | |||||
| 123I-2-IT | 1.03 | 1.09 | 0.25 | 0.10 | 1.12 | 0.95 | ||
| 123I-AzaT | 0.70 | 0.45 | 0.24 | 0.08 | 1.48 | 0.47 | ||
| 123I-3-IT | 0.65 | 0.50 | 0.42 | 0.31 | 1.30 | 0.60 | ||
| 123I-2-IPhe | 0.97 | 0.94 | 0.16 | 0.07 | 0.92 | 0.85 | ||
| 123I-4-IPhe | 1.06 | 0.63 | 0.38 | 0.13 | 1.51 | 0.65 | ||
DUR values represent ratio of AUC for tested amino acid tracer to AUC for 123I-3-IMT in same rat. K1 values represent ratio of K1 value for amino acid tracer to K1 value for 123I-3-IMT in same rat. T/BKG values represent ratio of AUC for tumor uptake (T) to AUC for background uptake (BKG).