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Absorbed dose measurements in the build-up region of flattened versus unflattened megavoltage photon beams

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Abstract
This study evaluated absorbed dose measurements in the build-up region of conventional (FF) versus flattening filter-free (FFF) photon beams. The absorbed dose in the build-up region of static 6 and 10 MV FF and FFF beams was measured using radiochromic film and extrapolation chamber dosimetry for single beams with a variety of field sizes, shapes and positions relative to the central axis. Removing the flattening filter generally resulted in slightly higher relative build-up doses. No considerable impact on the depth of maximum dose was found.
Keywords
build-up dose, surface dose, Flattening filter-free, PARALLEL IONIZATION CHAMBERS, MEDICAL LINEAR-ACCELERATOR, FREE CLINICAL ACCELERATOR, MONTE-CARLO, DOSIMETRIC PROPERTIES, RADIOCHROMIC FILM, FILTER, QUALITY, IMRT

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Chicago
De Puysseleyr, Annemieke, Wolfgang Lechner, Wilfried De Neve, Dietmar Georg, and Carlos De Wagter. 2016. “Absorbed Dose Measurements in the Build-up Region of Flattened Versus Unflattened Megavoltage Photon Beams.” Zeitschrift Fur Medizinische Physik 26 (2): 177–183.
APA
De Puysseleyr, A., Lechner, W., De Neve, W., Georg, D., & De Wagter, C. (2016). Absorbed dose measurements in the build-up region of flattened versus unflattened megavoltage photon beams. ZEITSCHRIFT FUR MEDIZINISCHE PHYSIK, 26(2), 177–183.
Vancouver
1.
De Puysseleyr A, Lechner W, De Neve W, Georg D, De Wagter C. Absorbed dose measurements in the build-up region of flattened versus unflattened megavoltage photon beams. ZEITSCHRIFT FUR MEDIZINISCHE PHYSIK. 2016;26(2):177–83.
MLA
De Puysseleyr, Annemieke, Wolfgang Lechner, Wilfried De Neve, et al. “Absorbed Dose Measurements in the Build-up Region of Flattened Versus Unflattened Megavoltage Photon Beams.” ZEITSCHRIFT FUR MEDIZINISCHE PHYSIK 26.2 (2016): 177–183. Print.
@article{8056140,
  abstract     = {This study evaluated absorbed dose measurements in the build-up region of conventional (FF) versus flattening filter-free (FFF) photon beams. The absorbed dose in the build-up region of static 6 and 10 MV FF and FFF beams was measured using radiochromic film and extrapolation chamber dosimetry for single beams with a variety of field sizes, shapes and positions relative to the central axis. Removing the flattening filter generally resulted in slightly higher relative build-up doses. No considerable impact on the depth of maximum dose was found.},
  author       = {De Puysseleyr, Annemieke and Lechner, Wolfgang and De Neve, Wilfried and Georg, Dietmar and De Wagter, Carlos},
  issn         = {0939-3889},
  journal      = {ZEITSCHRIFT FUR MEDIZINISCHE PHYSIK},
  language     = {eng},
  number       = {2},
  pages        = {177--183},
  title        = {Absorbed dose measurements in the build-up region of flattened versus unflattened megavoltage photon beams},
  url          = {http://dx.doi.org/10.1016/j.zemedi.2016.02.005},
  volume       = {26},
  year         = {2016},
}

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