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WEIGHT: A higher BMI is inversely related to density.
Previous studies have suggested that the 3D technology can detect up to 40 per cent more breast cancers than 2D mammography, said Dr. Seely also said that 2D imaging can miss about 15 per cent of cancers or give women false positives.
Jean Seely, the lead investigator at the Ottawa Hospital Breast Health Centre. For every 100 women who are called back for more tests after a 2D mammogram detects something suspicious, more than 90 of them will have a normal finding or a benign growth.
CAD searches for abnormal areas of density, masses or calcifications that might indicate the presence of cancer.
It is a ‘second set of eyes’ for our radiologists to improve diagnosis. This is an advanced, state of the art technology offered with certain mammograms.
A diagnostic mammogram evaluates breast tissue when abnormal symptoms are present.
It is also used to evaluate hard-to-see tissue due to special circumstances (ie. Some obvious symptoms of breast abnormalities can include (but are not limited to): lumps, pain, nipple discharge, changes in breast shape or size, or thickening of skin or breast tissue.MENOPAUSE: Density usually decreases after menopause, but not always. BREAST SIZE: Smaller breast size is related to higher density.ETHNICITY: A greater percentage of Asian women have dense breasts. PREGNANCY/ BREASTFEEDING: Breasts become denser during this time.Researchers want to find out whether combining 3D mammograms, known as digital tomosynthesis technology, with 2D mammograms is more effective at breast cancer screening than 2D technology alone.The 3D mammograms take multiple images that are layered to create a “richer and clearer” picture of the breast, which may help detect cancer hidden in the surrounding breast tissue.Percentages (0-100%), letters (A, B, C, D) or words can be used.UNDER 25% dense tissue | Category A | Almost entirely fatty The breasts have little fibrous and glandular tissue and are mostly fat. 25%-50% dense tissue | Category B | Scattered areas of fibroglandular density The breasts have scattered areas of fibrous and glandular tissue, but also quite a bit of fat.Finley, who is now awaiting the results of a biopsy, told CTV Ottawa she’s not worried. Women who wish to participate at one of the locations in Vancouver, Toronto or Ottawa need to be referred by their doctor.To join the study, women must be 40 or older, already scheduled for a screening mammogram, have no symptoms or history of breast cancer and no breast implants. Every woman has fat, glands and fibrous tissue in her breasts, but the proportions vary woman to woman.Breasts that have more than 50% glands and fibrous tissue are called dense breasts. For women aged 40-74 years, 43% have dense breasts.