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Going above and beyond in low-dose mammography

Siemens Healthineers Haberleri | 23-08-2012

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Breast cancer is the most common cancer affecting women. On a global scale, every tenth woman is affected, and unfortunately, numbers continue to rise. The risk is especially high for women between the ages of 50 and 69. Mammography is the most common method for detecting breast cancer and initial tumor stages, and has established a record of effectiveness. High diagnostic image quality at low dose is the key requisite for every mammography system – even more when used for screening purposes. Women, especially high-risk patients or younger women with dense breast tissue often undergo numerous examinations in their lives. A new study reveals that patient dose data of the MAMMOMAT Inspiration fully complies with the European Guidelines and compare favorably to other digital mammography systems.1

Comprehensive study data

Data for the study was collected and performed on ten MAMMOMAT Inspiration systems over the period of 18 months and included 10,502 mammograms. The data was compared to nine other digital radiography (DR) systems from other vendors. The acquisition of over 10,000 images was possible due to a software tool that automatically retrieves dose related data.

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Outstanding results

The results have shown that the MAMMOMAT system’s dose data comply with the European Guidelines and that curves of the mean glandular dose (MGD) as a function of compressed breast thickness compare favorably to curves of other DR systems. When screened using the Siemens system, thick breast tissue receives significantly less dose than the current desirable levels instituted by the European Guidelines. Referring to a five-centimeter breast thickness, dose values range even up to 50 percent lower than the specified levels. The overall results from the comparison show that the MAMMOMAT Inspiration patient dose data is well below the current standard. In relation to other advanced full-field detector mammography systems, the MAMMOMAT Inspiration dose values are even the lowest.2

Patient benefits

The Siemens MAMMOMAT Inspiration system was inspired and developed with the patient at the forefront. The system boasts several features to enhance the patient experience and provides a greater level of comfort. It is equipped with design elements that help to relax patients; for example, the MoodLightTM LED light panel that can also be set to preference. Its attractive design has even been awarded the reddot and iFAward.

Advanced clinical procedures

The most meaningful benefit is the image acquisition at low dose. Three different automatic anode and filter combinations decrease dose significantly compared to conventional molybneum filter combinations. Opdose® achieves the lowest dose for individual breast characteristics. Being a comprehensive mammography platform, it offers screening, diagnostic, and biopsy in one system. And, what is more: a simple upgrade transforms the MAMMOMAT Inspiration into the latest state-of-the-art 3D tomosynthesis system.

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1 Mean glandular dose survey of 2D mammograms acquired with the Siemens MAMMOMAT Inspiration system”, Hilde Bosmans, Koen Michielsen, Kim Lemmens, Jurgen Jacobs, University Hospital Leuven, Belgium, 2011

2. Siemens, GE, Philips (only MammoDiagnost) and Hologic mammography systems all rely on the TFT detector technology (thin film technology). Philips MicroDose system instead uses a photon-counting technology and delivers the lowest dose values on the market with preprogrammed settings of the manufacturer. However the results do not allow any comparative evaluation of the system performance as image quality or detector characteristics

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