Monte Carlo Simulation of X-rays Multiple Refractive Scattering from Fine Structure Objects imaged with the DEI Technique

Details Monte Carlo Simulation of X-rays Multiple Refractive Scattering from Fine Structure Objects imaged with the DEI Technique Monte Carlo Simulation of X-rays Multiple Refractive Scattering from Fine Structure Objects imaged with the DEI Technique

2010-02-01

arxiv.org/abs/1002.0358v1

Nuclear Science Symposium Conference Record, 2004 IEEE Volume 6, Issue, 16-22 Oct. 2004 Page(s): 4014 - 4018 Vol. 6

Physics

Medical Physics

5 page, 7 figures

Scientific paper

10.1109/NSSMIC.2004.1466758

In this work we present a novel 3D Monte Carlo photon transport program for simulation of multiple refractive scattering based on the refractive properties of X-rays in highly scattering media, like lung tissue. Multiple scattering reduces not only the quality of the image, but contains also information on the internal structure of the object. This information can be exploited utilizing image modalities such as Diffraction Enhanced Imaging (DEI). To study the effect of multiple scattering a Monte Carlo program was developed that simulates multiple refractive scattering of X-ray photons on monodisperse PMMA (poly-methyl-methacrylate) microspheres representing alveoli in lung tissue. Eventually, the results of the Monte Carlo program were compared to the measurements taken at the SYRMEP beamline at Elettra (Trieste, Italy) on special phantoms showing a good agreement between both data.

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