How Dense Breast Tissue Impacts Mammograms

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CLEVELAND - October 18 is National Mammography Day.

As many know, mammograms are crucial in helping to detect breast cancer.

And recently, some changes were made to the process.

According to the FDA, all patients having a mammogram must now be notified about whether they have dense breast tissue, and how it can impact their results.

“Dense breast tissue, which is white on a mammogram, can obscure or hide a breast cancer, which also is white on a mammogram,” said Laura Shepardson, MD, head of breast imaging for Cleveland Clinic. “So, the more dense tissue you have, the harder it is to see a breast cancer.”

Dr. Shepardson said dense breast tissue can also increase a woman’s risk for developing breast cancer.

So, what happens if you find out you have dense breast tissue?

She said for starters, don’t panic. Dense breast tissue is relatively common.

Reports show nearly half of women who are 40 and older have dense breast tissue.

This information is simply being shared with you so you and your provider can have a discussion about risk and additional screening.

For example, they may recommend getting an ultrasound or MRI.

“Recent studies have shown there’s about a 50 to 75% compliance rate with screening mammography, which I think is amazing. But, we need to do better. We really want to get that number up to 80% or greater if possible,’ said Dr. Shepardson. “We must continue to emphasize why early detection is so important. The earlier we find breast cancer, the more treatment options patients have, including less invasive treatments, and the better their chances for a cure.”

Currently, it’s recommended for women to get annual screening mammograms when they turn 40.

However, those screenings may need to start even sooner depending on personal risk factors and family history.