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Tuesday, March 31, 2015
MRI for breast screening
My mother and grandmother both had breast cancer at 65 (grandmother died of this). My mamogram shows punctate calcifications, no clusters, and moderately dense breasts. Should I be doing screening MRI besides yearly mamograms? I am 51.
You do not need screening MRI. The current recommendations for annual mri is a lifetime risk, based on family history, of 20-25% or higher. Based on your family history and using the Claus model to estimate your risk, your risk of getting breast cancer by the age of 79 is about 15%. Your risk to age 49 was about 4%, so your residual risk is about 11% between now and age 79. The average woman faces a 10-12% lifetime risk of breast cancer.
Doreen M Agnese, MD
Clinical Associate Professor of Surgery and Internal Medicine
College of Medicine
The Ohio State University