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In the UK mammograms are scored on a scale from 1–5 (1 = normal, 2 = benign, 3 = indeterminate, 4 = suspicious of malignancy, 5 = malignant). Evidence suggests that accounting for genetic risk, factors improve breast cancer risk prediction. [57]
But having dense breasts can make it harder for a radiologist to spot breast cancer on a mammogram. “Because the normal stromal tissue is white and cancer is white, the denser the breast, the ...
Mammogram screening guidelines are confusing. Doctors explain when you should get screened, depending on your risk of breast cancer, age, and family history. ... your out-of-pocket cost might ...
For normal-risk women 40 to 49 years of age, the risks of mammography outweigh the benefits, [19] and the US Preventive Services Task Force says that the evidence in favor of routine screening of women under the age of 50 is "weak". [20] Part of the difficulty in interpreting mammograms in younger women stems from breast density.
Mammograms, a type of X-ray, have a harder time detecting cancer in dense breasts. In a mammogram, fatty tissue shows up as black on the image, while fibroglandular tissue lights up as white.
A mammogram is done via an X-ray machine that the patient stands against and places their breast firmly on top of a specific plate while another plate presses the breast from the top while the imaging is done. [18] Mammograms have a sensitivity range of 75–85% but that range does not apply to patients with dense or small breasts. [17]
In these high-risk cases, it may be recommended you start mammograms before the age of 40 and/or to supplement mammograms with other tests like ultrasound or MRI, says Vincoff.
This is partly due to dense tissues obscuring the cancer and the fact that the appearance of cancer on mammograms has a large overlap with the appearance of normal tissues. Additionally, mammogram should not be done with any increased frequency in people undergoing breast surgery, including breast enlargement, mastopexy, and breast reduction. [14]
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