(HealthDay News) — Researchers developed an updated guideline on imaging for women who have a higher-than-average risk of breast cancer. The guideline was published in the Journal of the American College of Radiology.

The guideline recommends that, for all women, risk assessment should take place by age 25 to allow for planning of appropriate screening.

This is especially important for Black women, those of Ashkenazi Jewish descent, and those with a higher risk for genetic mutations, according to the guideline.

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The guideline also recommends that women with a genetics-based increased risk of breast cancer or with a calculated lifetime risk of 20% or more should have annual digital mammography with or without digital breast tomosynthesis starting at age 30. However, if mutation carriers are screened annually with MRI starting at age 25, they can delay annual mammography screening until age 40.

Annual mammography beginning at age 25 or 8 years after radiation therapy (whichever is later) is recommended for women who have received a cumulative dose of chest radiation of 10 Gy or more before age 30.

Annual digital mammography with or without digital breast tomosynthesis should be started at the time of diagnosis for women who are diagnosed with breast cancer, atypia, or lobular neoplasia before age 40.

Several guideline authors disclosed financial ties to the pharmaceutical and medical technology industries.

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