28 Mar Digital Breast Tomosynthesis + Synthetic 2D Mammography Detects More Breast Cancers

MedicalResearch.com Interview with:
Dr. Solveig Hofvind, Dr. Philos.
Cancer Registry of Norway
Majorstuen, Oslo

MedicalResearch.com: What is the background for this study?

Response: To test out Digital Breast Tomosynthesis (DBT) in combination with synthethic images (SM) as a screening tool for breast cancer.

We screened the women in Oslo with DBT+SM using equipment from Hologic, while women in the neighboring counties were screened with Digital Mammography.

MedicalResearch.com: What are the main findings? 

Response: We found a 50% higher rate of screen-detected breast cancer among women screened with DBT+SM compared with  Digital Mammography

Both the rate of invasive breast cancer and ductal carcinoma in situ was higher. Tumors detected with DBT+SM were smaller and less aggressive compared to those detected with Digital Mammography.
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We found no differences in recall rates between the two groups.

MedicalResearch.com: What should readers take away from your report?

Response: Screening with Digital Breast Tomosynthesis and Synthetic 2D Mammography detects more breast cancer as Digital Mammography. 

MedicalResearch.com: What recommendations do you have for future research as a result of this work?

Response: We need to follow the women for interval breast cancer, but also the rate of screen-detected breast cancer and the characteristics of the tumors in the next screening round. 

MedicalResearch.com: Is there anything else you would like to add?

Response: The pro and cons of implementing Digital Breast Tomosynthesis and Synthetic 2D Mammography in a screening setting need further investigation, according to cost-effectiveness, also in a financial perspective. 

Citations: 

Radiology. 2018 Mar 1:171361. doi: 10.1148/radiol.2018171361. [Epub ahead of print]

Digital Breast Tomosynthesis and Synthetic 2D Mammography versus Digital Mammography: Evaluation in a Population-based Screening Program.

Hofvind S¹, Hovda T¹, Holen ÅS¹, Lee CI¹, Albertsen J¹, Bjørndal H¹, Brandal SHB¹, Gullien R¹, Lømo J¹, Park D¹, Romundstad L¹, Suhrke P¹, Vigeland E¹, Skaane P¹. 

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Last Updated on March 28, 2018 by Marie Benz MD FAAD