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Volumetric Breast Density Software Improves the Accuracy in Calculation of Patient-Specific Mean Glandular Dose (MGD) in Breast Screening
Date:8/7/2013

Indianapolis, IN (PRWEB) August 07, 2013

The role of volumetric breast density assessment software to more accurately estimate the radiation dose received during breast screening was the focus of two landmark research papers presentation at the 55th American Association of Physicists in Medicine (AAPM) Annual Meeting, August 4-8, 2013 in Indianapolis. According to Matakina International, the papers both took advantage of the volumetric breast density numbers generated by the Volpara Imaging Software to calculate personalized or patient-specific dose estimates.

Currently, mammography systems generate a Mean Glandular Dose (MGD) based on an assumption of a homogeneous mixture of fat and fibroglandular tissue in standard proportions.

Ralph Highnam, CEO of Matakina International, the inventors of Volpara said, “We all know it’s critical to keep radiation dose as low as possible whilst retaining high image quality, and yet the current dose estimates in mammography may significantly under or over-estimate the actual patient dose because they generate calculations based on assumption of a homogeneous mixture of fat and fibroglandular tissue in standard, non-personalized proportions. These talks show that it is possible to improve the accuracy and personalization of radiation dose estimation, which may, in turn, allow for better optimization of radiation dose in breast screening, both in mammography and tomosynthesis.”

The first study, “Patient Specific Average Glandular Dose in Mammography,” demonstrated the differences in radiation dose estimation when researchers adjusted the estimation according to the actual volumetric breast density. According to Dr Vikas Patel from Upstate Medical Physics (A Landauer Medical Physics Partner), the results showed that accounting for the patient specific breast composition led to estimated radiation doses which were significantly higher than given out by the mammography m
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