Guidelines on Breast Cancer Screening Based on Risk



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Part of the recommendation is society's attempt to minimize disparities in bad cancer across racial and ethnic categories. It differs from the recommendations of the US Preventive Services Task Force (USPSTF) and the American Cancer Society (ACS), designed for women at risk of bad cancer, but the American College of Radiology (ACR) supports it , says the ASBrS.

The ASBrS guidelines recommend that all women be formally badessed for their risk of bad cancer by the age of 25 years. The risk badessment includes the following elements:

  • Discuss genetic testing if a woman complies with National Comprehensive Cancer Network (NCCN) guidelines
  • To determine if a woman has ever had a history of atypical hyperplasia, lobular carcinoma in situ or chest or mantle radiotherapy between 10 and 30 years of age

For women ages 30 and older, the risk badessment should include the above factors, and women should be evaluated using the current model of Tyrer-Cuzick.

Mid-risk women should start annual screening at age 40, while those at risk of life ≥ 20% should be screened by mammography and bad MRI from 35 years of age. years. Screening should be continued until the life expectancy of a woman is 10 years or less, ASBrS said.

In addition, screening should be done with 3D mammography systems.

"If so, 3D mammography is the only preferred modality for women at average risk of bad cancer," said the company. "It is also important to note that most current 3D mammography units do not result in higher radiation exposure than traditional 2D units."

To face the disparity

The company recognizes the disadvantages of mammography screening in women aged 40 to 49, such as false negatives, false positives, and overdiagnosis. Despite these potential "disadvantages", the group supports the use of annual screening mammograms from age 40 for medium-risk women, he added.

Ensuring that women begin annual screening at age 40 is also important to mitigate bad cancer disparities due to racial or ethnic identity, especially among African Americans, who tend to have cancer. younger and at a more advanced stage.

"Breast cancer mortality rates in the population are higher among African American women and triple negative bad cancer incidence rates in the population … are twice as high in afro women American, "said ASBrS. "Although it is not known to what extent screening mammography can reverse disparities in outcome, the benefits of early detection by screening for all bad tumor phenotypes (eg, improved survival, reduced need for adjuvant chemotherapy) are convincing arguments in favor of mammography screening as a weapon in achieving health equity ".

Women with a higher than average bad cancer risk should undergo an annual 3D screening mammogram, as well as complementary imaging with bad MRI. This protocol is also recommended for people with bad cancer who are under 50 years of age, or who have dense bads.

The company's guidelines for bad cancer screening rely on a model of years of life gained, rather than on the statistical model of effectiveness used by the USPSTF, said Dr. Julie Margenthaler of the Washington University School of Medicine in St. Louis in a statement released by the company.

"We believe that women should have the opportunity to choose earlier screening if they are potentially beneficial," said Margenthaler. "In addition, our understanding of bad cancer risk and bad cancer risk badessment has improved and the management of screening for these risks is an important part of today's personalized medicine. Although mammography screening is not as easy and accurate in younger women, when we detect and treat cancer, the benefits in years of life saved are very significant. "

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