نتایج جستجو برای: dose volume histogram
تعداد نتایج: 619461 فیلتر نتایج به سال:
PURPOSE To compare the fits of normal-tissue complication probability (NTCP) models based on rectal dose-wall histograms (DWHs) vs. dose-volume histograms (DVHs) when the two are used to analyze a common set of late rectal toxicity data. METHODS AND MATERIALS Data were analyzed from 128 prostate cancer patients treated with 3-dimensional conformal radiotherapy (3D-CRT) at The University of Te...
Dose/Volume histogram patterns in Salivary Gland subvolumes influence xerostomia injury and recovery
BACKGROUND It is useful to predict planned dosimetry and determine the eligibility of a liver cancer patient for SBRT treatment using knowledge based planning (KBP). We compare the predictive accuracy using the overlap volume histogram (OVH) and statistical voxel dose learning (SVDL) KBP prediction models for coplanar VMAT to non-coplanar 4π radiotherapy plans. METHODS In this study, 21 liver...
Abstract Background: in this study, two proton beam delivery designs, i.e. passive scattering therapy (PSPT) and pencil scanning (PBS), were quantitatively compared terms of dosimetric indices. The GATE Monte Carlo (MC) particle transport code was used to simulate the system; developed simulation engines benchmarked with respect experimental measurements. Method: a water phantom system energy p...
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