Medical Physics
Chinese Academy of Medical Science reports research in medical physics
Published in Cancer Weekly, August 3rd, 2010
In this recent article published in the journal Medical Physics, scientists in Beijing, People's Republic of China conducted a study "To evaluate the influence of carbon fiber couchtop and patient positioning devices on cone beam CT (CBCT) image quality and develop an effective method to correct the influence. A standard CT phantom (Catphan 500) was used to evaluate the influence of iBeam evo carbon fiber couchtop on the quality of CBCT image obtained from an Elekta synergy machine."
"The evaluation indices were contrast-to-noise ratio (CNR), spatial resolution, image uniformity, and image noise. With using the Beer-Lambert law and the energy-response function...
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Source: Cancer Weekly (2010-08-03)
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