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Monte Carlo simulation of a mammographic test phantom
Linköping University, Faculty of Health Sciences. Linköping University, Department of Medicine and Care, Radiation Physics. Östergötlands Läns Landsting, Centre of Surgery and Oncology, Department of Radiation Physics.ORCID iD: 0000-0003-0209-498X
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2005 (English)In: Radiation Protection Dosimetry, ISSN 0144-8420, Vol. 114, no 1-3, 432-435 p.Article in journal (Refereed) Published
Abstract [en]

A test phantom, including a wide range of mammographic tissue equivalent materials and test details, was imaged on a digital mammographic system. In order to quantify the effect of scatter on the contrast obtained for the test details, calculations of the scatter-to-primary ratio (S/P) have been made using a Monte Carlo simulation of the digital mammographic imaging chain, grid and test phantom. The results show that the S/P values corresponding to the imaging conditions used were in the range 0.084-0.126. Calculated and measured pixel values in different regions of the image were compared as a validation of the model and showed excellent agreement. The results indicate the potential of Monte Carlo methods in the image quality-patient dose process optimisation, especially in the assessment of imaging conditions not available on standard mammographic units. © The Author 2005. Published by Oxford University Press. All rights reserved.

Place, publisher, year, edition, pages
2005. Vol. 114, no 1-3, 432-435 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-28496DOI: 10.1093/rpd/nch511Local ID: 13645OAI: diva2:249306
Available from: 2009-10-09 Created: 2009-10-09 Last updated: 2015-03-20

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Alm-Carlsson, GudrunSandborg, MichaelUllman, Gustaf
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