Articles with "kilovoltage" as a keyword



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Clinical treatment planning for kilovoltage radiotherapy using EGSnrc and Python

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

DOI: 10.1002/acm2.13832

Abstract: Abstract Kilovoltage radiotherapy dose calculations are generally performed with manual point dose calculations based on water dosimetry. Tissue heterogeneities, irregular surfaces, and introduction of lead cutouts for treatment are either not taken into account or… read more here.

Keywords: treatment planning; lead cutouts; kilovoltage radiotherapy; kilovoltage ... See more keywords
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The effect of computed tomography parameters on sarcopenia and myosteatosis assessment: a scoping review

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Published in 2022 at "Journal of Cachexia, Sarcopenia and Muscle"

DOI: 10.1002/jcsm.13068

Abstract: Computed tomography (CT) is a valuable assessment method for muscle pathologies such as sarcopenia, cachexia, and myosteatosis. However, several key underappreciated scan imaging parameters need consideration for both research and clinical use, specifically CT kilovoltage… read more here.

Keywords: density; effect; contrast; computed tomography ... See more keywords
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Experimental investigation of GafChromic® EBT3 intrinsic energy dependence with kilovoltage x rays, 137Cs, and 60Co

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Published in 2018 at "Medical Physics"

DOI: 10.1002/mp.12682

Abstract: PURPOSE To determine experimentally the intrinsic energy response, kbq , of EBT3 GafChromic® radiochromic film with kilovoltage x rays, 137 Cs, and 60 Co in therapeutic and diagnostic dose ranges through direct measurement with an… read more here.

Keywords: kbq; response; energy; intrinsic energy ... See more keywords
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Breast radiotherapy with kilovoltage photons and gold nanoparticles as radiosensitizer: an in vitro study X-ray Breast radiotherapy with AuNP.

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Published in 2021 at "Medical physics"

DOI: 10.1002/mp.15348

Abstract: PURPOSE We investigated the dose enhancement and internalization of gold nanoparticles (AuNP) used as a radiosensitizer agent for rotational radiotherapy of breast cancer using a kilovoltage X-ray beam. METHODS Human breast cancer cells MDA-MB-231 were… read more here.

Keywords: breast; microscopy; aunps; breast radiotherapy ... See more keywords
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Monte Carlo and water calorimetric determination of kilovoltage beam radiotherapy ionization chamber correction factors.

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Published in 2020 at "Physics in medicine and biology"

DOI: 10.1088/1361-6560/ab82e7

Abstract: The in-phantom calibration method for radiotherapy kilovoltage x-ray beams requires ionization chamber correction factors. The overall ionization chamber correction factor accounts for changes in the chamber response due to the displacement of water by the… read more here.

Keywords: correction factors; water; correction; chamber correction ... See more keywords
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Comparison of 100-Kilovoltage Tin Filtration With Advanced Modeled Iterative Reconstruction Protocol to an Automated Kilovoltage Selection With Filtered Back Projection Protocol on Radiation Dose and Image Quality in Pediatric Noncontrast-Enhanced Chest Computed Tomography

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Published in 2022 at "Journal of Computer Assisted Tomography"

DOI: 10.1097/rct.0000000000001248

Abstract: Objective The aim of the study was to compare effects of a 100-kilovoltage (kVp) tin filtration (Sn100kVp) with Advanced Modeled Iterative Reconstruction (ADMIRE) protocol to an automated kVp selection and filtered back projection (FBP) protocol… read more here.

Keywords: noncontrast enhanced; kilovoltage; image quality; protocol ... See more keywords