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has been cited by the following article:

• TITLE: Dose Validation of Physical Wedged Asymmetric Fields in Artiste Linear Accelerator

  AUTHORS: Tamer Dawod, E. M. Abdelrazek, Mostafa Elnaggar, Rehab Omar

  KEYWORDS: Radiotherapy, Wedge, Linear Accelerator, Computerized Treatment Planning System

  JOURNAL NAME: International Journal of Medical Physics, Clinical Engineering and Radiation Oncology, Vol.3 No.4, October 16, 2014

  ABSTRACT: Aim: The purpose of this study was to make a comparison between measured and calculated physical wedge dose distributions using the superposition algorithm. Settings and Design: The accurate determination of absorbed dose is important radiotherapy because of the relatively steep sigmoidal dose response curves for both tumor control and normal-tissue damage. Materials and Methods: High-energy photons (6 and 10 MV) from Artiste Treatment System Linear Accelerator Machine, available at Alexandria Ayadi Al-Mostakbal Oncology Center, were used. Results and Discussion: The results showed that the difference between measured and calculated wedged isodose curves depends on field size, beam energy, and the angle of the used wedge. Conclusion: The results showed that the presence of a wedge alters the primary and scattered components generated by a linear accelerator and causes beam hardening in 6 and 10 MV. The beam hardening increased as the wedge angle increased.