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Why Breast Density Issues


I assumed I used to be doing all the things proper. I by no means missed my annual mammogram. I did self-exams, ate wholesome, and had no recognized danger components for breast most cancers. But, at some point I felt a lump. I wasn’t significantly nervous. I had just lately had a “regular” mammogram, which didn’t detect something. Then I used to be despatched for a diagnostic mammogram, which additionally didn’t detect something. However an ultrasound the identical day revealed the heartbreaking information: I had breast most cancers. Why didn’t it present on the mammograms? It was then that I used to be instructed that I had extraordinarily dense breasts and the not-so-small, not-so-early-stage most cancers was hidden by the dense tissue. I had by no means earlier than been instructed I had dense breasts, by no means been instructed that breast density elevated my danger for breast most cancers, by no means been instructed that breast density tremendously reduces the effectiveness of a mammogram, and, sadly, by no means been instructed that further screening instruments had been accessible which could have detected my most cancers at an earlier stage.

Mammography is more practical in detecting cancers in some girls than others. For ladies with dense breasts, most cancers typically grows unseen on mammography and subsequently, further screening could also be wanted.

Key Info:

  • Dense breast tissue is widespread: 40% of girls age 40 and over have dense breasts.
  • Breast density is decided by a lady’s mammogram and described as one in all 4 classes relying on the quantity of breast tissue compared to fats within the breast.
  • Most cancers is 4 occasions extra more likely to develop in girls with extraordinarily dense breasts than in girls with fatty breasts.
  • Although mammograms discover some cancers not seen on different screening exams, in dense breasts, mammograms will miss as much as 40% of the cancers current.
  • In dense breasts, different screening exams, reminiscent of ultrasound or particularly breast MRI, along with mammography, considerably enhance detection of early-stage breast cancers.

Why does breast density matter?

Dense breasts enhance each the probability of growing breast most cancers and the chance of that most cancers being missed by mammography.

Dense breast tissue exhibits up as white on a mammogram, whereas fatty tissue is darkish grey. Sadly, cancers additionally show as white on a mammogram. If there may be loads of dense tissue on a mammogram, a most cancers could be “hiding” among the many dense tissue. That is true even when the mammogram was completed with 3D/tomosynthesis. On the lookout for a most cancers in a dense breast has been in comparison with searching for a snowball in a blizzard.

In dense breasts, a “regular,” “adverse,” or “benign” mammogram doesn’t essentially imply most cancers just isn’t current. Irrespective of how current your final mammogram, a lump or any modifications in your breast ought to be delivered to the eye of your well being care supplier.

Along with hiding most cancers, breast density can also be one in all many recognized danger components for breast most cancers. The higher the density of the breast tissue, the upper the chance for growing breast most cancers.

How is breast density decided?

When you will have your mammogram, your breast density is rated as one in all 4 classes:

  • Class A – Fatty                                                                                                                       
  • Class B – Scattered areas of fibroglandular density
  • Class C – Heterogeneously dense
  • Class D – Extraordinarily dense

Breasts that are Class C – Heterogeneously dense, or Class D – Extraordinarily dense, are thought of to be “dense” breasts.

How do I do know if I’ve dense breasts?

Typically, this info can be supplied to you by your well being care supplier, who may have obtained it from the power that carried out your mammogram. It could even be included within the letter you obtain after your mammogram is carried out. Many states (38 and the District of Columbia), now have legal guidelines that require some stage of details about breast density be included within the letter girls obtain after their mammogram. Nevertheless, the legal guidelines differ from state-to-state. To be taught the reporting necessities in your state, please see the legislative map on DenseBreast-info.org.

Early detection issues, so be an knowledgeable self-advocate. All girls ought to know their breast density and particular person danger components, focus on the advantages and dangers of further screening with their well being care skilled, and pursue further screening if applicable for them, to make sure the earliest stage prognosis potential.


Extra sources

Patient Video Series: Let’s Talk About Dense Breasts

In regards to the creator:

JoAnn Pushkin is govt director of DenseBreast-info.org. The web site, cited because the “most modern and complete useful resource” on the subject, is the collaborative effort of world-renowned breast imaging consultants and medical reviewers.

Pushkin’s initiative and advocacy served as inspiration for New York State’s Breast Density Inform legislation. On the federal stage, she continues to guide efforts for a single nationwide “density” reporting normal by each the introduction of the Federal Breast Density and Mammography Reporting Act, in addition to the FDA’s Mammography High quality Requirements Act regulatory modification consideration.