The brainstem and optic chiasm also received lower doses in the RA plans but the p-value did not reach statistical significance (p-value of 0.648 and 0.127) The Dmean of healthy brain tissue contour, as equivalent for low-dose area, was nearly equal for both plans with a value of (25.2Gy ± 4.1) for 3D-CRT and 25.8Gy ± 4.6 for the RA plans (p-value of 0.071).
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3D-CRT versus RapidArc in Deep Tempero-Parietal High Grade Gliomas: Do We Really Need Higher Technology?
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