Collimator size (mm) | Distance (cm) | Postshielding peripheral dose (cGy) | Postshielding peripheral dose (%MU) | Postshielding peripheral dose (%TD) | Monitor units | Prescribed dose (cGy) | Isodose line (%) |
---|---|---|---|---|---|---|---|
12.5 | 38 | 1.34 | 0.04 | 0.06 | 3483 | 2200 | 80 |
25 | 29 | 6.04 | 0.06 | 0.30 | 10355 | 2000 | 70 |
20, 20, 10 | 33 | 7.89 | 0.06 | 0.49 | 12911 | 1600 | 70 |
12.5, 12.5, 10 | 31 | 7.22 | 0.05 | 0.56 | 13271 | 1300 | 70 |
20, 20, 7.5 | 31 | 7.96 | 0.06 | 0.57 | 14289 | 1400 | 70 |
15 | 31 | 7.75 | 0.05 | 0.52 | 14621 | 1500 | 70 |
35 | 37 | 8.49 | 0.06 | 0.47 | 15061 | 1800 | 70 |
12.5, 12.5, 7.5 | 36 | 11.84 | 0.06 | 0.66 | 20391 | 1800 | 70 |
10 | 38 | 11.45 | 0.06 | 0.64 | 20789 | 1800 | 70 |
5, 5, 5 | 32 | 11.24 | 0.05 | 0.56 | 20798 | 2000 | 70 |
7.5 | 35 | 10.54 | 0.05 | 0.48 | 20969 | 2200 | 70 |
10, 10, 5 | 29.5 | 11.67 | 0.05 | 0.56 | 24249 | 2100 | 70 |
5 | 31 | 13.65 | 0.06 | 0.76 | 24680 | 1800 | 80 |
7.5, 15, 15 | 32 | 14.79 | 0.06 | 0.82 | 25696 | 1800 | 70 |
10, 12.5, 20 | 33 | 13.24 | 0.05 | 0.83 | 26656 | 1600 | 75 |
5, 5, 10 | 34 | 12.24 | 0.04 | 0.68 | 29230 | 1800 | 70 |
5, 10, 12.5 | 35 | 13.20 | 0.04 | 0.69 | 29833 | 1900 | 70 |
5, 5, 5 | 33 | 16.02 | 0.05 | 0.76 | 32202 | 2100 | 70 |
7.5, 12.5, 20 | 32 | 20.12 | 0.06 | 1.01 | 33130 | 2000 | 70 |
5, 7.5, 12.5 | 34 | 23.10 | 0.05 | 1.28 | 42177 | 1800 | 70 |
7.5, 12.5, 12.5 | 42 | 26.07 | 0.06 | 0.97 | 43623 | 2700 | 75 |