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:: Volume 3, Issue 1 (6-2005) ::
Int J Radiat Res 2005, 3(1): 21-30 Back to browse issues page
Organ and effective dose arising from conventional diagnostic X-ray examinations by Monte Carlo simulation (MCNP-4C Code)
M.T. Bahreyni Toossi , H. Zare
, m-t-bahreyni@mums.ac.ir
Abstract:   (19932 Views)


Background: Monte Carlo simulation has been used by many researchers to calculate organ and effective dose of patients arising from conventional X-ray examinations. In this study the radiation transport code, MCNP-4C, has been used to perform Monte Carlo simulations to estimate radiation dose delivered to different organs in conventional X-ray examinations.

Material and Methods: In this work we have made use of ORNL mathematical phantoms with few modifications which have been made. The source has been defined as a point source, emitting photons into a solid angle. The X-ray beam was shaped by a collimator to produce a rectangular field at the midline of the phantom.

Results: To validate the simulation executed in this study normalized organs doses to unit ESD for hermaphrodite phantom were computed. Our results were compared with corresponding values presented by NRPB. In general organs doses obtained by application of MCNP-4C (present study) and corresponding values presented in NRPB were in good agreement. For further evaluation of our phantom, the values acquired for organ and effective doses by MCNP-4C and ODS-60 were compared.

Conclusion: The technique we have developed is capable of estimating organ and effective doses with a better accuracy than dose values obtained by employment of NRPB and ODS-60 technique.


Keywords: Organ dose, effective dose, diagnostic radiology, Monte Carlo, MCNP-4C
Type of Study: Original Research | Subject: Medical Physics
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M.T. Bahreyni Toossi, H. Zare. Organ and effective dose arising from conventional diagnostic X-ray examinations by Monte Carlo simulation (MCNP-4C Code) . Int J Radiat Res. 2005; 3 (1) :21-30
URL: http://ijrr.com/article-1-119-en.html

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Volume 3, Issue 1 (6-2005) Back to browse issues page
International Journal of Radiation Research
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