BreastScreen trial of hybrid tomosynthesis versus mammography screening

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This prospective comparative trial embedded in population-based screening, at Maroondah BreastScreen, Eastern Health, will examine screening outcomes of hybrid digital breast tomosynthesis/mammography compared to digital mammography screening (standard of care) in women presenting for routine breast screening. Who is it for? You may be eligible to join this study if you are a woman aged 40 years or above and are attending a BreastScreen service at Maroondah BreastScreen. Study details Current standard of care for breast screening is bilateral two-view (MLO and CC) digital mammography screening which represents 2-dimensional (2D) imaging. Intervention in this study is digital breast tomosynthesis (DBT, quasi-3D-mammography) acquisition for the MLO view only (2D-mammography images will be reconstructed from the DBT to provide synthetic 2D). Standard digital mammography will be acquired for the CC-view. This is referred to as ‘hybrid tomosynthesis/mammography’ screening or the ‘intervention screen’ in this trial. Other aspects of screening and assessment, and any required follow-up, will be based on standard BreastScreen protocols and quality assurance processes. The trial will assess initial detection measures (cancer detection, and recall for further testing) as well as outcomes at follow-up (to determine interval cancer rates).