Mammography
A mammogram uses low-voltage X-ray to produce images of the breast tissue. It is used to detect and diagnose breast disease in women.
A screening mammogram is used to detect breast changes in women who have no signs of breast problems.
A diagnostic mammogram is more comprehensive and is used to diagnose unusual breast changes, such as: a lump, pain, nipple thickening or discharge, or a change in breast size or shape.
Mammography cannot prove that an abnormal area is cancer, but if it raises a significant suspicion of cancer, tissue will be removed for a biopsy.
Digital Mammography
A digital mammogram is the same as regular mammograms, except that instead of x-ray film, a digital "photograph" is produced. The images are displayed on computer screens and enable radiologists to manipulate the images (make them darker or lighter), which, in many cases, reduces the necessity for repeat tests.
Digital files are also easier to store and transmitted to other health care providers.
Computer-Aided Detection (CAD), is a sophisticated computer program that aids radiologists in interpreting screening mammograms.
Recommendations
The American Cancer Society recommends that women age 40 and older should have a screening mammogram every year, and should continue to do so for as long as they are in good health.
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