Organ at risk or target | DVH parameters evaluated | DVH objectives used for planning |
---|---|---|
High dose PTV | D 95, D 2 , V 95 | V 95 = 100 %, D min = 100 % · D prescr., D max < 105 % · D prescr. |
High dose CTV | D 95, D 2 | Â |
Low dose PTV | D 95, D 2 , V 95 | V 95 = 100 %, D min = 100 % · D prescr., D max < 105 % · D prescr. |
Low dose CTV | D 95, D 2 | Â |
Parotid glands | D mean | D mean < 26 Gy |
Spinal cord | D 2 | D max < 53 Gy |
Brain stem | D 2 | D max < 53 Gy |
Optical nerves | D 2 | D max < 54 Gy |
Optical chiasm | D 2 | D max < 56 Gy |
Eye | D 2 | D max < 45 Gy |
Eye lens | D mean | D mean < 10 Gy |