A mammogram is an X-ray of the breast that uses low doses of radiation. It can help find both cancerous (malignant) and non-cancerous (benign) tumours in the breast.
KDH is an Ontario Breast Screening Program (OBSP) site, that provides screening mammograms only. Anyone with symptoms, such as a lump, or in need of a breast ultrasound, will need a referral to another site. Patients without a family doctor can self-refer for a mammogram, between the ages of 40 and 74.
How the test is performed
The technologist will position your breasts one at a time on the mammogram machine, which will briefly compress the breast between two plates. The compression keeps your breast from moving, and makes the layer of breast tissue thinner. These steps reduce the radiation exposure and make the picture sharper.
How to prepare for the test
On the day of the mammogram, don’t wear deodorant, talcum power or perfume as they may contain substances that can show up on the image as white spots. Try to avoid scheduling your mammogram in the week before your period.
How the test will feel
Although the compression can feel uncomfortable for some women, it only lasts a few seconds and is needed to get a good picture. Talk to the technologist if you have pain. She can reposition you to make the compression as comfortable as possible. The entire mammogram takes about 8 minutes, not including time spent filling out paperwork and changing.
