Physics of Medical Imaging

Coherent scatter imaging Monte Carlo simulation

[+] Author Affiliations
Laila Hassan, Carolyn A. MacDonald

University at Albany, State University of New York, Department of Physics, 1400 Washington Avenue, Albany, New York 12222, United States

J. Med. Imag. 3(3), 033504 (Aug 26, 2016). doi:10.1117/1.JMI.3.3.033504
History: Received October 20, 2015; Accepted August 1, 2016
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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.

© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Laila Hassan and Carolyn A. MacDonald
"Coherent scatter imaging Monte Carlo simulation", J. Med. Imag. 3(3), 033504 (Aug 26, 2016). ; http://dx.doi.org/10.1117/1.JMI.3.3.033504


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