Screening mammogram

Screening mammogram is a type of mammography that is used as a preventive measure for breast cancer. It is recommended for women who have no signs or symptoms of the disease, to detect cancer early when it is most treatable.

Overview

A screening mammogram typically involves two X-ray images of each breast. These images make it possible to detect tumors that may not be felt. Screening mammograms can also find microcalcifications (tiny deposits of calcium) that may indicate breast cancer.

Procedure

During a mammogram, the patient stands in front of a special X-ray machine. A technologist places the breast on a clear plastic plate. Another plate firmly presses down from above. The plates flatten the breast, holding it still while the X-ray is taken. The patient will feel some pressure. The steps are then repeated to make a side view of the breast. The other breast will be X-rayed in the same way.

Benefits and Risks

The main benefit of screening mammograms is early detection of breast cancer, which can lead to more effective treatment and a better prognosis. However, mammograms also have risks. They can miss some cancers, and further testing can be needed to check out areas that could be cancer but most often are normal (false positives).

Recommendations

The American Cancer Society recommends women aged 45 to 54 should get mammograms every year. Women 55 and older should switch to mammograms every 2 years, or can continue yearly screening.

See Also

• Diagnostic mammogram
• Breast cancer
• Mammography
• American Cancer Society

Screening mammogram Resources
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