Variation in Elekta iView electronic portal imager pixel scale factor with gantry angle, and impact on multi‐leaf collimator quality assurance
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DOI: 10.1002/acm2.13661
Abstract: Abstract For Elekta Agility linear accelerators, the iViewGT electronic portal imaging device (EPID) is positioned at a nominal X‐Ray source‐to‐panel distance of 1600 mm. For display, image registration, and data processing purposes, the image pixels… read more here.
Keywords: electronic portal; leaf collimator; multi leaf; gantry ... See more keywords
Reducing cardiac doses: a novel multi‐leaf collimator modification technique to reduce left anterior descending coronary artery dose in patients with left‐sided breast cancer
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DOI: 10.1002/jmrs.191
Abstract: When irradiating the left breast, a small portion of the heart and left anterior descending coronary artery (LAD) are often included in the treatment field. Deep inspiration breath‐hold (DIBH) techniques reduce dose to coronary structures,… read more here.
Keywords: leaf collimator; multi leaf; coronary artery; descending coronary ... See more keywords
Development of an EGSnrc multi‐leaf collimator component module and treatment head model for a low‐field MRI linear accelerator
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DOI: 10.1002/mp.17455
Abstract: Monte Carlo (MC) modeling of MR‐guided radiotherapy (MRgRT) treatment machines enables the characterization of photon/electron interactions in the presence of a magnetic field. The EGSnrc MC code system is a well‐established system for radiation dose… read more here.
Keywords: field; mri linear; multi leaf; low field ... See more keywords