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Table 2 Organs at risk constraints

From: Dosimetric study between a single isocenter dynamic conformal arc therapy technique and Gamma Knife radiosurgery for multiple brain metastases treatment: impact of target volume geometrical characteristics

Optic nerves

Dmax < 10 Gy

Eyes

Dmax < 10 Gy

Optic chiasm

Dmax < 8 Gy

Brainstem

V12Gy < 0.5 cc

Normal brain

V12Gy < 10 cc