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OARs constraints/objectives
•
Constraints:
1. Spinal cord:
Dmax < 45 Gy
2. PRV Spinal cord:
Dmax < 50 Gy
3. Brainstem:
V59 Gy < 1 cc
(QUANTEC)
•
Objectives:
1. Parotids:
Dmean < 25 Gy (primary objective, Ptox < 20%)
Dmean < 39 Gy (secondary objective, Ptox < 50%)
2. Mandible:
EQD2 Dmax < 70 Gy
(RTOG 0615)
3. Cochlea:
Dmean < 35 Gy
(QUANTEC)
4. Lens
Dmax < 7 Gy
(RTOG 0539)
5. Brain:
EQD2 Dmax < 72 Gy
(QUANTEC)
6. Thyroid:
Dmean < 45 Gy
(RTOG 0225)
V30 Gy < 62.5 %
(RTOG 0615)