The “camera” swings around the breast in an arc, taking multiple pictures as it goes around.
The machine produces the 3D images, as well as a 2D image for comparison.
Learn more about these and other breast changes in What Does the Doctor Look for on a Mammogram?
A mammogram uses a machine designed to look only at breast tissue.
This overlapping breast tissue can make the 2D images difficult to interpret.
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During a 3D mammogram, the machine moves around the breast, taking picture “slices” through the breast.
X-ray pictures of each breast are taken from 2 different angles.
Mammograms can also be used to look at a woman’s breast if she has breast symptoms or if a change is seen on a screening mammogram.
A computer then puts the images together into a 3-dimensional picture.
In some cases, this uses more radiation than standard 2-view mammograms, but it may allow doctors to see the breast tissues more clearly.