Contrast Measurements
| Pinhole size (mm) | Contrast | |||||
|---|---|---|---|---|---|---|
| 10/10 | 7.5/10 | 5/10 | 10/5 | 7.5/5 | 5/5 | |
| 1 | 0.472 | 0.283 | 0.123 | 0.254 | 0.16 | 0.055 |
| 2 | 0.454 | 0.262 | 0.1 | 0.226 | 0.145 | 0.066 |
| 3 | 0.437 | 0.231 | 0.068 | 0.199 | 0.094 | 0.049 |
| 4 | 0.375 | 0.176 | 0.059 | 0.149 | 0.088 | 0.057 |
| 5 | 0.256 | 0.148 | 0.05 | 0.145 | 0.078 | 0.066 |
| 6 | 0.206 | 0.099 | 0.055 | 0.097 | 0.063 | 0.058 |
Case 10/10 refers to 10-mm tumor size and TNT of 10:1, whereas case 7.5/5 refers to 7.5-mm tumor size and TNT of 5:1.