Radiation Oncology

Table 1 Dose constraints for the organs at risk

From: Correlation between the γ passing rates of IMRT plans and the volumes of air cavities and bony structures in head and neck cancer

OARs	Constraints	OARs	Constraints
Brainstem	D_max<54Gy	Spinal cord	D_max<40Gy
Optic chiasm	D_max<54Gy	Optic nerves	D_max<54Gy
Pituitary	D_max<54Gy	Eyes	D_mean<25Gy
Temporal lobes	V₆₀<2cc	Parotid glands	D_mean<30Gy
Lens	D_max<12Gy	Inner ears	D_mean<35Gy
Oral cavity	D_mean<38Gy	Mandible	V₅₅<10%

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ISSN: 1748-717X

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