Digital mammography with tomosynthesis is a type of breast imaging that uses X-ray technology to obtain three-dimensional images of the breast. In conventional digital mammography, two X-ray images are taken of each breast (one from above and one from the side), while in this technique, several X-ray images of the breast are taken from different angles.

These images are processed by computer to create a three-dimensional image of the breast that allows the radiologist to view it in thin slices, which can help detect smaller, hidden lesions. In addition, the tomosynthesis technique also reduces breast tissue overlap, which can improve detection accuracy.