LAB TEST

Mammogram

A mammogram is an x-ray picture of the breasts. It is used to evaluate some breast symptoms and to find breast cancer in women with no symptoms (called screening for breast cancer).

How the Test is Performed

You will be asked to undress from the waist up. You will be given a gown to wear. Depending on the type of equipment used and your physical condition, you will sit or stand. One breast at a time is rested on a flat surface that contains the x-ray plate. A device called a compressor will be pressed firmly against your…

How to Prepare for the Test

Do not use deodorant, perfume, powders, or ointments under your arms or on your breasts on the day of the mammogram. These substances may hide a portion of the images or produce an artifact that can falsely look like an abnormality. Remove all jewelry from your neck and chest area. Tell your provider and the x-ray…

How the Test will Feel

The compressor surfaces may feel cold. When the breast is pressed down, you may feel some brief pain or discomfort. This needs to be done to get good quality images.

Why the Test is Performed

When and how often to have a screening mammogram is a choice you must make. Different expert groups do not fully agree on the best timing for this test. Before having a mammogram, talk to your provider about the pros and cons of having the test. Ask about: Your risk for breast cancer Whether screening decreases your…

Normal Results

Breast tissue that shows no signs of a mass or suspicious looking calcifications is considered normal.

What Abnormal Results Mean

Most abnormal findings on a screening mammogram turn out to be benign (not cancer) or nothing to worry about. New findings or changes must be further evaluated. A radiology specialist (radiologist) may see the following types of findings on a mammogram: A well-outlined, smoothly marginated, rounded spot (this is more…

Risks

The level of radiation is low and any risk from mammography is very low. If you are pregnant and need to have an abnormality checked, your belly area will be covered and protected by a lead apron. Routine screening mammography is not done during pregnancy or while breastfeeding.

References

American Cancer Society website. American Cancer Society recommendations for the early detection of breast cancer. www.cancer.org/cancer/types/breast-cancer/screening-tests-and-early-detection/american-cancer-society-recommendations-for-the-early-detection-of-breast-cancer.html . Revised December 19, 2023. Accessed…

This is a summary. Read the full article at www.ucsfbenioffchildrens.org (reviewed 14/01/2023).

This page is general information and is not medical advice. It does not replace a registered doctor, and it is not a prescription or a recommendation to use any medicine or test. Prices are listed prices and may change. Always follow the advice of your doctor or pharmacist.