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3D mammography significantly reduces breast biopsy rates

March 19, 2019

Unlike standard or full-field digital mammography (FFDM), which captures two x-ray images of the breast from top-to-bottom and from side-to-side, DBT captures multiple images from different angles that are synthesized into 3-D images by a computer.

“The thin slice images of the breast taken with DBT reduce the effect of tissue overlap, which often leads to cancers being missed or to women who don’t have breast cancer being recalled for diagnostic imaging,” said lead researcher Nisha Sharma, M.B. Ch.B., director of breast screening and clinical lead for breast imaging at Leeds Teaching Hospital NHS Trust, Seacroft Hospital, in Leeds, England. “In our study, we wanted to determine the impact of DBT on the biopsy rate among women recalled for an abnormal screening mammogram.”

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