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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