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Fig. 2 | Radiation Oncology

Fig. 2

From: Non-coplanar volumetric-modulated arc therapy (VMAT) for craniopharyngiomas reduces radiation doses to the bilateral hippocampus: a planning study comparing dynamic conformal arc therapy, coplanar VMAT, and non-coplanar VMAT

Fig. 2

Coronal plains of dose distributions in a representative case and a comparison of the normalized doses covering 40 % of the volume of the bilateral hippocampus using DCAT, coVMAT, and ncVMAT. The yellow line shows the contour of the bilateral hippocampus. The normalized value of D40%hippo indicates that the dose covering 40 % of the volume of the bilateral hippocampus was significantly reduced in the following order: ncVMAT, coVMAT, and DCAT (ncVMAT 0.4, coVMAT 0.7, and DCAT 1). DCAT = dynamic conformal arc therapy, coVMAT = coplanar volumetric-modulated arc therapy, ncVMAT = non-coplanar volumetric-modulated arc therapy, NV_D40%hippo = normalized value of D40%hippo

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Radiation Oncology

ISSN: 1748-717X

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