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The main difference between the two diagnostic tools is the substitution of the mammogram for the ultrasound in persons under the age of 40. [4] [5] This is because ultrasound has been found to be more effecting at early detection of breast cancer and masses for persons with denser breast tissues.
Screening targeted towards women with above-average risk produces more benefit than screening of women at average or low risk for breast cancer. A 2013 Cochrane review estimated that mammography in women between 50 and 75 years old results in a relative decreased risk of death from breast cancer of 15% and an absolute risk reduction of 0.05%. [3]
Breast MRI is a technology typically reserved for high-risk patients and patients recently diagnosed with breast cancer. [3] Lastly, scintimammography is used in a subgroup of patients who have abnormal mammograms or whose screening is not reliable on the basis of using traditional mammography or ultrasound.
To screen for breast cancer, Original Medicare covers one mammogram per year at no out-of-pocket cost. But if you have denser breasts, an ultrasound may provide a more accurate diagnosis.
Women should get a mammogram every other year starting at age 40, according to new guidance from the U.S. Preventive Services Task Force.
A study of radiation risk from mammography concluded that for women 40 years of age and older, the risk of radiation-induced breast cancer was minuscule, particularly compared with the potential benefit of mammographic screening, with a benefit-to-risk ratio of 48.5 lives saved for each life lost due to radiation exposure. [41]
The system is designed to standardize reporting and is used by medical professionals to communicate a patient's risk of developing breast cancer, particularly for patients with dense breast tissue. The document focuses on patient reports used by medical professionals, not "lay reports" that are provided to patients.
Mammography is the standard method for breast cancer screening. This method is reported to give a 40% reduction in the risk of dying from the disease. [24] Breasts with less fat and more fibrous tissue are known as dense breasts, they are a risk factor for breast cancer.
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