From: Evaluation of a new foetal shielding device for pregnant brain tumour patients
Fundus | Umblicus | Symphysis pubis | ||||
---|---|---|---|---|---|---|
W/O FSD at 30 cm (cGy) | With FSD at 30 cm (cGy) | W/O FSD at 40 cm (cGy) | With FSD at 40 cm (cGy) | W/O FSD 50 cm (cGy) | With FSD at 50 cm (cGy) | |
VMAT | ||||||
6 MV | 8.882 | 4.764 | 3.876 | 1.938 | 2.019 | 0.969 |
6 MV FFF | 7.267 | 4.037 | 3.149 | 1.534 | 1.534 | 0.727 |
IMRT | ||||||
6 MV | 7.267 | 4.118 | 4.279 | 2.019 | 3.795 | 2.019 |
6 MV FFF | 6.217 | 3.876 | 3.472 | 1.696 | 2.826 | 1.534 |