نتایج جستجو برای: patient specific quality assurance
تعداد نتایج: 2319441 فیلتر نتایج به سال:
This study evaluated the feasibility of utilizing a 3D-printed anthropomorphic patient-specific head phantom for patient-specific quality assurance (QA) in intensity-modulated radiotherapy (IMRT). Contoured left and right head phantoms were converted from DICOM to STL format. Fused deposition modeling (FDM) was used to construct an anthropomorphic patient-specific head phantom with a 3D printer...
This study investigates and validates the use of Octavius 4D system for patient specific quality assurance on Halcyon, which is capable rotating at 4 revolutions per minute (RPM). A commercially available PTW was used this had a maximum rotation speed 3 RPM. Initial validation included testing accuracy inclinometer, percent depth doses (PDD), output factors, dose profiles selected static square...
Background and purposeThe superior tissue contrast of magnetic resonance (MR) compared to computed tomography (CT) led an increasing interest towards MR-only radiotherapy. For the latter, dose calculation should be performed on a synthetic CT (sCT). Patient-specific quality assurance (PSQA) methods have not been established yet this study aimed assess several software-based solutions.Materials ...
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