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   Articles with "mvct" as a keyword



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MVCT versus kV‐CBCT for targets subject to respiratory motion: A phantom study

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recommendations! Published in 2021 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13356

Abstract: Abstract The use of kilovoltage cone‐beam computed tomography (kV‐CBCT) or megavoltage computed tomography (MVCT) for image guidance prior to lung stereotactic body radiation therapy (SBRT) is common clinical practice. We demonstrate that under equivalent respiratory… read more here.

Keywords: motion; mvct; target; cbct ... See more keywords
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Influence of different air CT numbers for IVDT on the dose distribution in TomoTherapy MVCT

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recommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"

DOI: 10.1002/acm2.13835

Abstract: Abstract This study aims to evaluate the effect of different air computed tomography (CT) numbers of the image value density table (IVDT) on the retrospective dose calculation of head‐and‐neck (HN) radiotherapy using TomoTherapy megavoltage CT… read more here.

Keywords: different air; mvct images; mvct; tomotherapy mvct ... See more keywords
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Accuracy of eight deformable image registration (DIR) methods for tomotherapy megavoltage computed tomography (MVCT) images

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recommendations! Published in 2017 at "Journal of Medical Radiation Sciences"

DOI: 10.1002/jmrs.236

Abstract: The application of deformable image registration (DIR) to megavoltage computed tomography (MVCT) images benefits adaptive radiotherapy. This study aims to quantify the accuracy of DIR for MVCT images when using different deformation methods assessed in… read more here.

Keywords: deformable image; image registration; mvct; mvct images ... See more keywords
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Generation of synthetic megavoltage CT for MRI-only radiotherapy treatment planning using a 3D deep convolutional neural network.

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recommendations! Published in 2022 at "Medical physics"

DOI: 10.1002/mp.15876

Abstract: BACKGROUND Megavoltage computed tomography (MVCT) has been implemented on many radiotherapy treatment machines for on-board anatomical visualization, localization, and adaptive dose calculation. Implementing an MR-only workflow by synthesizing MVCT from MRI would offer numerous advantages… read more here.

Keywords: neural network; mvct; treatment planning; mri ... See more keywords

Fast, Low-Dose Megavoltage-Topogram Localization on TomoTherapy: Initial Clinical Experience With Mesothelioma Patients.

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recommendations! Published in 2019 at "Practical radiation oncology"

DOI: 10.1016/j.prro.2019.05.003

Abstract: PURPOSE This study aimed to evaluate the potential of megavoltage-topogram (MV-topogram)-based alignment as an alternative to megavoltage computed tomography (MVCT) in reducing setup time and imaging dose for patients with malignant pleural mesothelioma who are… read more here.

Keywords: mvct; mesothelioma; megavoltage topogram; time ... See more keywords