Coherent scatter imaging Monte Carlo simulation

Laila Hassan; Carolyn A. MacDonald

doi:10.1117/1.JMI.3.3.033504

26 August 2016 Coherent scatter imaging Monte Carlo simulation

Laila Hassan, Carolyn A. MacDonald

Author Affiliations +

Journal of Medical Imaging, Vol. 3, Issue 3, 033504 (August 2016). https://doi.org/10.1117/1.JMI.3.3.033504

Abstract

Conventional mammography can suffer from poor contrast between healthy and cancerous tissues due to the small difference in attenuation properties. Coherent scatter slot scan imaging is an imaging technique which provides additional information and is compatible with conventional mammography. A Monte Carlo simulation of coherent scatter slot scan imaging was performed to assess its performance and provide system optimization. Coherent scatter could be exploited using a system similar to conventional slot scan mammography system with antiscatter grids tilted at the characteristic angle of cancerous tissues. System optimization was performed across several parameters, including source voltage, tilt angle, grid distances, grid ratio, and shielding geometry. The simulated carcinomas were detectable for tumors as small as 5 mm in diameter, so coherent scatter analysis using a wide-slot setup could be promising as an enhancement for screening mammography. Employing coherent scatter information simultaneously with conventional mammography could yield a conventional high spatial resolution image with additional coherent scatter information.

Citation Download Citation

Laila Hassan and Carolyn A. MacDonald "Coherent scatter imaging Monte Carlo simulation," Journal of Medical Imaging 3(3), 033504 (26 August 2016). https://doi.org/10.1117/1.JMI.3.3.033504

Published: 26 August 2016

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