Tumor-to-Background Ratios After Injection of [99mTc]Demogastrin 1–3 in AR4-2J Tumor-Bearing Mice
| Organ | [99mTc]Demogastrin 1 | [99mTc]Demogastrin 2 | [99mTc]Demogastrin 3 | ||||
|---|---|---|---|---|---|---|---|
| 1 h pi | 4 h pi | 1 h pi | 4 h pi | 1 h pi | |||
| Tumor/blood | 17 | 18 | 32 | 96 | 12 | ||
| Tumor/liver | 18 | 3 | 9 | 8 | 2 | ||
| Tumor/muscle | 51 | 30 | 61 | 144 | 35 | ||
| Tumor/blocked tumor | 6 | 8 | 12 | 17 | 8 | ||
pi = after injection.