Table 2: The percentage volume of the thyroid gland absorbing low, intermediate and high dose radiation with anterior supraclavicular field and corner thyroid shielded at different felid angles.
% of Thyroid Volume Received | |||||||||
Low dose (≤ 15 Gy) | Intermediate dose (≤ 30 Gy) | High dose (≤ 50 Gy) | |||||||
(0º) | (10º) | (15º) | (0º) | (10º) | (15º) | (0º) | (10º) | (15º) | |
Mean | 20.7 | 26.7 | 30.7 | 11.1 | 16.9 | 21 | 1.3 | 2.5 | 4.5 |
Std. deviation | 13.7 | 15.3 | 16.0 | 11.0 | 14.3 | 16.1 | 4.2 | 5.0 | 7.8 |
Minimum | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
Maximum | 46.0 | 51.1 | 53.4 | 43.8 | 43.5 | 50.5 | 21.0 | 20.5 | 25.7 |