From: Evaluation of a new foetal shielding device for pregnant brain tumour patients
Critical structure | Dose constraint |
---|---|
Chiasm | Dmax < 55 Gy to whole structure (< 3%) |
Left optic nerve | Dmax < 55 Gy to whole structure (< 3%) |
Right optic nerve | Dmax < 55 Gy to whole structure (< 3%) |
Brainstem | Dmax < 54 Gy to whole structure (< 5%) |
Left eye | Dmax < 15 Gy to whole structure |
Right eye | Dmax < 15 Gy to whole structure |
Left hippocampus | Dmax < 12 Gy to 20% of structure |
Right hippocampus | Dmax < 12 Gy to 20% of structure |