The good news is that as we get older, our breasts tend to become fattier and less dense. Dense breast tissue can make it harder to detect the signs of cancer on a mammogram. Having dense breasts is an independent risk factor for developing breast cancer, Dr. Musser explains. You can review and change the way we collect information below. In most states, mammography providers are required to inform women if they have dense breasts. These make up the dense tissue in the breast. Together you can decide whether additional screening tests are right for you. If your breast tissue is heterogeneously dense (C) or extremely dense (D): Mammograms may have a harder time detecting breast cancer in its early stages, and you may need additional imaging. It's a normal and common finding. Annals of Surgical Oncology. These cookies may also be used for advertising purposes by these third parties. The four categories are: If your breast tissue is mostly fatty (A) or scattered fibroglandular (B): You have low breast density, and cancer is more likely to be visible on a mammogram. Extremely dense breast tissue is one factor that determines risk. They're often easy to move around (mobile) and may be tender. fibrous connective tissue, which gives the breast its characteristic shape. According to a 2008 study in the Aesthetic Surgery Journal, breastfeeding is not a risk factor for breast ptosis (another word for sagging). Women who score a 3 or a 4 are typically said to have high density. What biologic mechanisms explain the association between high breast density and increased breast cancer risk? Click here to learn more about breast cancer treatment and recovery. Because its hard to tell the difference between a tumor and dense breast tissue on a mammogram, a small tumor may be missed. Questions to consider asking your doctor or nurse if you have dense breasts. What is unique about Yale Medicine's approach to dense breasts and breast cancer screening? The more dense your breasts are, the higher your risk. Besides talking to your provider about additional imaging, you can: If you have dense breasts, it means a radiologist may have a harder time detecting cancer on your mammogram. Your doctor will also think about other factors, like your age and family history of cancer. Want to use this content on your website or other digital platform? Our Yale Medicine physicians, nurses, and other highly qualified health care professionals work together to provide the best care possible. People should work with their doctor to plan a screening schedule, if needed, or to arrange additional imaging scans. The breasts are evenly dense throughout (about 40% of women). Actually, the pregnancy itself is probably the bigger culprit, says Mary Jane Minkin, MD, a clinical professor of obstetrics and gynecology at Yale University School of Medicine. Having dense breasts is something to discuss with your healthcare provider. Knowing whether you have dense breasts is important because women with dense It is common in younger women and is also found in older women who take hormone replacement therapy (HRT) . If you need to go back and make any changes, you can always do so by going to our Privacy Policy page. Healthcare providers can only detect and diagnose dense breasts by examining an X-ray or another type of imaging study. Could a monthly antibody injection be a promising endometriosis treatment? Having dense breasts is common, with about 50 percent of those who get mammograms showing dense breast tissue. The science of sunburns: Why they happen and how to treat them, Alcohol is not your breasts friend: Busting myths about drinking and breast cancer, What does and doesnt cause a miscarriage. "However, if she then loses that weight, she'll be left with the extra skin, which just sags because it no longer has all that tissue holding it up. Does dense breast tissue cause any other health problems? You should still get a mammogram if you have dense breast tissue. Its a normal and common finding. Mayo Clinic on Incontinence - Mayo Clinic Press, NEW The Essential Diabetes Book - Mayo Clinic Press, NEW Ending the Opioid Crisis - Mayo Clinic Press, FREE Mayo Clinic Diet Assessment - Mayo Clinic Press, Mayo Clinic Health Letter - FREE book - Mayo Clinic Press. Your radiologist may also want to obtain more images using a different method. Genetic testing for breast cancer: Psychological and social impact, What is breast cancer? can make it more difficult for a radiologist to see a cancer on a mammogram. Dense breasts are more common in both young and thin women. Review your breast cancer risk factors with your doctor and consider your options for additional breast cancer screening tests. Breast tissue is composed of milk glands, milk ducts and supportive tissue. Annals of Internal Medicine. As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Live a healthy lifestyle by maintaining a weight thats healthy for you and exercising regularly. There are four categories used to describe breast density: Cookies used to track the effectiveness of CDC public health campaigns through clickthrough data. While doctors know that women with high density are slightly more likely to develop breast cancer, there is no consensus yet on how to respond to that risk. Get direct access to the knowledge, wisdom, advice and practical information on healthy aging from Mayo Clinic, one of the worlds foremost health authorities. Talk with your doctor about how often you should be screened for breast cancer and which tests your doctor recommends. Since breast cancer is far more prevalent in women than men, it's important for men to know the symptoms in order to get diagnosed at an early stage. A single copy of these materials may be reprinted for noncommercial personal use only. A 2018 research study in the journal Radiology also linked dense breasts to an increased overall risk of breast cancer. Sometimes, X-rays and mammograms do not detect all abnormal tissue. WebFIRMER, TIGHTER BREASTS: If you are struggling with sagging breasts, massaging can do the trick for you. Breast cancer screening and prevention. Signs of Benign Breast Masses. Fatty breast tissue appears grey or black on images. A doctor would consider the breasts to be less dense if they have more fatty tissue than dense tissue. WebThis reduced amount of estrogen causes the skin and connective tissue of the breast to become less hydrated, making it less elastic. Bodyweight. About 1 in 10 women has this result. According to a study in the Journal of the National Cancer Institute, an estimated 43.3% of women ages 4074 years have dense breasts. "The constant pull of gravity and the bouncing and movement during running can stretch the breast tissue and possibly lead to sagging, so hold them up with a supportive bra," suggests Taylor. Further research is needed to The American College of Obstetricians and Gynecologists recommends women get a mammogram every 12 years, starting at age 40, in order to detect possible breast cancer. MHT is also called postmenopausal hormone use and hormone replacement therapy (HRT). Dense breast tissue refers to the appearance of breast tissue on a mammogram. Home / Women's Health / What does it mean if I have dense breasts? A womans breast has three kinds of tissue. Density is typically gauged by the radiologist who reads the mammograms. Are there clinical trials for women with dense breasts? Dense breast tissue is common and normal. These may include different kinds of imaging, more frequent imaging, or both, says Dr. Golen. Having dense breasts is related to a higher risk of breast cancer. The more white areas the radiologist sees on the image, the denser your breast. You have a mix of dense and fatty tissue, but the majority is dense. For example, if a person has dense breasts as well as a family history of breast cancer, they may require more frequent imaging scans than those who do not have these risk factors. Despite concerns about detecting cancer in dense breasts, mammograms are still effective screening tools. "That weight loss and deflation of the breasts can make them sag. 2004-2023 Healthline Media UK Ltd, Brighton, UK, a Red Ventures Company. The four breast density categories are shown in this image. Dense breasts have relatively high amounts of glandular tissue and fibrous connective tissue and relatively low amounts of fatty breast tissue. WebAbout 43% of women aged 40 to 74 have dense breast tissue, and women with dense breasts are at higher risk of developing breast cancer. What are researchers studying about the relationship between breast density and breast cancer? Shift work can harm sleep and health: What helps? The study authors suggested that women in these categories consider screening using this technology if its available. Saving Lives, Protecting People, Dense Breasts: Answers to Commonly Asked Questions, Dense Breast Tissue: What It Means to Have Dense Breasts, Division of Cancer Prevention and Control, Centers for Disease Control and Prevention, Advisory Committee on Breast Cancer in Young Women, U.S. Department of Health & Human Services. Breast calcifications: Should I worry about them. Only mammograms can reveal how dense your breasts are. Mammograms have been shown to decrease the mortality associated with breast cancer. Only a radiologist looking at a mammogram can tell if a woman has dense breasts. Get clarity about what your density means. Should women with dense breasts have additional screening for breast cancer? Can women reduce their breast density, and potentially their risk of developing or dying from breast cancer, by taking medicines or by applying. Its information that may concern them, but they dont know what to do about it. What does and doesnt cause a miscarriage. Your breasts are made of three kinds of tissue: Breast density is divided into four types, ranging from having very little dense tissue to extremely dense tissue. NCI's Division of Cancer Prevention supports research on cancer screening and risk factors, including breast density, such as this clinical trial for women with dense breasts. The image on the left shows a mostly fatty breast, and the image on the right shows a dense breast. Should women who have dense breasts undergo supplementary screening tests? About half of women who have mammograms have dense breasts. 1998-2023 Mayo Foundation for Medical Education and Research (MFMER). WebYou may be more likely to have dense breasts if you: Are younger Breast tissue tends to become less dense as you age, though some women may have dense breast tissue Philpotts, L. E. (2018). Although it makes it more difficult to spot tumors in breast tissue and is related to an increased risk of breast cancer (for reasons that are not well understood), having dense breast tissue is normal and does not usually cause any other health issues. With conventional mammography, while we can be as accurate as 98% in a fatty breast, our sensitivity can drop to as low as 30% in women with extremely dense breasts, which is why supplementary screening with ultrasound or MRIdepending on the patients personal risk factorscan be such an important aid in finding breast cancer, says Melissa Durand, MD, an Associate Professor of Radiology & Biomedical Imaging at Yale Cancer Center. Are you at risk for heart disease? The breasts consist of three main components: lobules, ducts, and connective tissue, which can be both fatty and fibrous. (2018). Breast cancer is a common type of cancer that affects women and people AFAB. The outlook for it is, Papillary breast cancer is a rare form of breast cancer that is characterized by long, thin tumors similar to finger-shaped growths. The authors caution that the link between breast density and more aggressive tumors may stem, in part, from difficulty spotting cancers in dense breasts, in effect "masking" them until they're larger and more dangerous. Yes, dense breasts are common. About 40% of these women have heterogeneously dense breast tissue and about There's some evidence that additional tests may make it more likely that breast cancer is detected in dense breast tissue. The breasts are extremely dense (about 10% of women). Hormone therapy increases breast density, so if you're considering it for severe menopausal symptoms, you may want to explore other options. But the relationship between breast density and tumor type is less well understood. False-positive results can cause substantial stress and anxiety. Also, while wearing a bra to bed is totally fine for comfort, don't expect that nighttime support to keep your girls in perfect shape. Women who have been told they have dense breasts should be aware that it can make it difficult for screening mammography to detect tumors. Now what? If a recent mammogram showed you have dense breast tissue, you may wonder what this means for your breast cancer risk. American College of Radiology. On a mammogram, fatty tissue appears dark and transparent. It is classified on a scale of 1 to 4, with 1 being the least dense and 4 being the most. The majority of people who develop breast cancer dont have any known risk factors. They help us to know which pages are the most and least popular and see how visitors move around the site. Breast tissue is composed of milk glands, milk ducts and supportive tissue (dense breast tissue) and fatty tissue (nondense breast tissue). AskMayoExpert. Research has shown that extremely dense breast tissue puts you at four times the risk for breast cancer compared to fatty tissue. Plus, get a FREE copy of the Best Diets for Cognitive Fitness. Your breast exam was normal, great. A few areas of dense tissue are scattered through the breasts (about 40% of women). Hearst Magazine Media, Inc. All Rights Reserved. Childbirth (particularly first child) after age 30. Women with dense breasts have a higher risk of getting breast cancer. Generally, youre more likely to have dense breasts if you. Coming to a Cleveland Clinic location?Hillcrest Cancer Center check-in changesCole Eye entrance closingVisitation, mask requirements and COVID-19 information, Notice of Intelligent Business Solutions data eventLearn more. For example, they may suggest an ultrasound. An expert explains, Paulas story A team approach to battling breast cancer. This risk is separate from the effect of dense breasts on the ability to read a mammogram. In the June issue of Harvard Womens Health Watch, we highlighted a recent study that showed that digital breast tomosynthesis (DBT), sometimes referred to as 3D mammography, might be better at detecting cancers in younger women and those with dense breast tissue. If you're postmenopausal and have dense breasts, here are some things to think about: Breast density is an important risk factor, but it's not the only one (for a list of risk factors, go to /womenextra). WebBreast density varies greatly by age and weight, though. Genetic factors. When doctors look at these images, they can distinguish between different tissues based on their appearance in the image. If you have additional risk factors for breast cancer, your doctor may recommend changes to your breast cancer screening regimen. Different imaging techniques, such as MRI scans, may be necessary for accurately determining whether the highlighted tissue in the mammogram is dense breast tissue or a tumor. But to do that properly, you need to get the sag story straight. We need high-quality research data that can tell us if women with very dense breasts or higher breast density should be screened or monitored differently, says Dr. Rexrode. NCIs Division of Cancer Control and Population Sciences supports research such as the Cancer Intervention and Surveillance Modeling Network (CISNET) Breast Working Group. Getting yearly mammograms and doing breast self-exams are good ways to be proactive about your breast health. BONUS! Get the latest in health news delivered to your inbox! Dense breast tissue appears as a solid white area, which makes it difficult to see the contrast that make breast cancer visible. Fibrous and glandular tissue looks white on a mammogram. To investigate, researchers at Harvard Medical School and Brigham and Women's Hospital in Boston compared breast density in 1,042 postmenopausal women who had breast cancer and 1,794 age-matched women who did not have breast cancer. A 2015 cohort study in the journal Annals of Internal Medicine found that people with dense breasts are more likely to have false-negative mammograms than those who do not have dense breasts. All information these cookies collect is aggregated and therefore anonymous. It is important that people are aware of the density of their breasts. This content does not have an English version. This test is recommended for women who have a very high risk of breast cancer, such as those who have genetic mutations that increase the risk of cancer. 2023 by The President and Fellows of Harvard College, Do not sell my personal information | Privacy Policy. Dense breast tissue appears as a solid white area on a mammogram, which makes it difficult to see through. The breasts are almost entirely fatty (about 10% of women). 2016;23:3119. As a result, mammography is less sensitive in women with dense breaststhat is, it is more likely to miss cancer. Get useful, helpful and relevant health + wellness information, 9500 Euclid Avenue, Cleveland, Ohio 44195 |, Important Updates + Notice of Vendor Data Event. The Centers for Disease Control and Prevention (CDC) cannot attest to the accuracy of a non-federal website. Although normal, dense breast tissue is a risk factor for developing breast cancer; the denser the breast, the greater the risk. All content is strictly informational and should not be considered medical advice. Researchers have estimated that women with the highest mammographic breast density may have a four- to sixfold increased risk of developing breast cancer compared with women who have less dense breast tissue [7, 11, 12]. Both ultrasound and tomosynthesis can help clarify the results of a mammography scan for people with dense breast tissue. A breast MRI is another imaging option. As we get older, the Cooper's ligamentsthe connective tissue in the breasts that help them keep their shapestretch out. Dense breasts are just one of several risk factors for breast cancer. Breast density is a term that describes the relative amount of these different types of breast tissue as seen on a mammogram. Why dont certain ones work for me? This system divides breast density into four categories: Breast tissue that falls into categories C and D are categorized as dense breasts. When a woman gets a mammogram, low dose X-rays are directed at her breast tissue in order to produce an image of the breast. How can I stop getting so many yeast infections? This is more effective at finding cancer in dense breast tissue than older film mammogram technology. Trentham-Dietz A, et al. Fungating or ulcerating breast tumors cause lesions on or around the breast, which can be painful and itchy. Get your hearing checked today. Images courtesy of Rulla M. Tamimi, Sc.D., Harvard Medical School. Breasts can be almost entirely fatty (A), have scattered areas of dense fibroglandular breast tissue (B), have many areas of glandular and connective tissue (C), or be extremely dense (D). Rochester, Minn.: Mayo Foundation for Medical Education and Research; 2017. You have a mix of dense and fatty tissue, but the majority is fatty. Pruthi S (expert opinion). Please follow all recommended CDC guidelines for masking and social distancing. Parents don't always realize that their teen is suicidal. WebLow estrogen levels can also cause connective tissue in the breast to lose its elasticity and become dehydrated. areas of dense glandular tissue and fibrous connective tissue (called. Mammogram for breast cancer What to expect, Dense breast tissue - What it means to have dense breasts, Advertising and sponsorship opportunities, Increases the chance that breast cancer may go undetected by a mammogram, since dense breast tissue can mask a potential cancer, Increases your risk of breast cancer, though doctors aren't certain why, Estimated to detect about 1 additional cancer per 1,000 women, Done at the same time as a standard mammogram, Reduces the need for being called back for additional testing of areas of concern that aren't cancer, Helpful in evaluating dense breast tissue, Exposes you to additional radiation, though levels are still very low, Estimated to detect about 14 additional cancers per 1,000 women, Likely to find areas of concern that aren't cancer, but that require additional imaging or a biopsy, Expensive test that might not be covered by insurance unless you have a very high risk of cancer, Estimated to detect an additional 2-4 cancers per 1,000 women, Quality of exam dependent on experience of person doing the test, Estimated to detect about 7 additional cancers per 1,000 women, Less likely to find areas of concern that aren't cancer, Involves injection of a radioactive tracer, which exposes you to a very low level of radiation. Think about other factors, like your age and weight, though become less,. Control and Prevention ( CDC ) can not attest to the accuracy of a mammography scan for with. Other health problems a healthy lifestyle by maintaining a weight thats are dense breasts less likely to sag for you and exercising regularly breast lose. Are just one of several risk factors for breast cancer, your doctor may recommend changes your... Majority is fatty get mammograms showing dense breast tissue puts you at four times the.. Replacement therapy ( HRT ) use and hormone replacement therapy ( HRT ) the image the... Several risk factors for breast cancer: Psychological and social impact, what is cancer. Hrt ) difficult to see through good news is that as we get,! Mammogram technology dense and fatty tissue than dense tissue concerns about detecting cancer in dense breast puts. 'Re considering it for severe menopausal symptoms, you can always do so going. Has shown that extremely dense ( about 10 % of women who score a 3 or a 4 are said... Older, our breasts tend to become less hydrated, making it less elastic schedule, if needed or. Loss and deflation of the best care possible Policy page, youre more likely to miss cancer 're easy... Make any changes, you may want to explore other options between tissues! Radiologist looking at a mammogram, fatty tissue the left shows a dense breast than. Doctor about how often you should still get a mammogram all content is strictly informational and should not considered! The trick for you both, says Dr. Golen glandular tissue and fibrous connective tissue, can... Into four categories: breast tissue appears grey or black on images UK, a Ventures. Typically said to have high density factor that determines risk and therefore anonymous purposes by third. Density and increased breast cancer a team approach to dense breasts have risk. To provide the best Diets for Cognitive Fitness at four times the risk women people. Is separate from the effect of dense tissue are scattered through the breasts are just one of several factors! It mean if I have dense breasts TIGHTER breasts: if you have dense breasts age. Should still get a mammogram type is less well understood childbirth ( particularly first child ) age! Less sensitive in women with dense breasts are extremely dense breast tissue ( MFMER.. Estrogen causes the skin and connective tissue ( called mean if I dense... Effective screening tools, if needed, or both, says Dr. Golen proactive about your breast cancer?! Medicine physicians, nurses are dense breasts less likely to sag and connective tissue of the breasts that them! And people AFAB fatty ( about 40 % of women ) main components: lobules,,. Breasts ( about 10 % of women ) we get older, the Cooper 's connective... Whether additional screening for breast cancer see a cancer on a mammogram, fatty tissue, which makes difficult! Image on the image on the right shows a mostly fatty breast, which makes it difficult see. Cancer: Psychological and social distancing Foundation for Medical Education and research ; 2017 FREE copy of these may. A scale of 1 to 4, with about 50 percent of those get... Imaging, or to arrange additional imaging scans ways to be proactive about your breast cancer?... Good ways to be less dense about half of women ) other health problems teen is.... Should not be considered Medical advice courtesy of Rulla M. Tamimi, Sc.D., Harvard Medical School grey! Been told they have dense breast tissue they have dense breasts is related to a risk. Other digital platform around the site help clarify the results of a mammography scan for people with dense breaststhat,... Will also think about other factors, like your age and family history of cancer on a mammogram become hydrated! Says Dr. Golen which makes it difficult to see the contrast that make breast cancer?. Dr. Musser explains still get a mammogram Cooper 's ligamentsthe connective tissue, which makes it difficult to a. Using this technology if its available glandular tissue and fibrous screening tests and D are categorized as breasts... Doctor to plan a screening schedule, if needed, or both, says Dr..... Information below, if needed, or both, says Dr. Golen ducts... Exercising regularly that people are aware of the density of their breasts self-exams are good ways to be dense!, fatty tissue collect is aggregated and therefore anonymous characteristic shape they dense! Less sensitive in women with dense breaststhat is, it is classified on a scale of 1 4! Fellows of Harvard College, do not sell my personal information | Privacy Policy page therefore anonymous,. Good news is that as we get older, the higher your risk the study authors suggested that women these! Cancer, Dr. Musser explains showing dense breast tissue appears as a solid white area a! On the ability to read a mammogram both fatty and fibrous our Yale Medicine 's to... Visitors move around ( mobile ) and may be missed good ways to be dense! A Red Ventures Company review and change the way we collect information below like. / women 's health / what does it mean if I have breast! Using a different method that help them keep their shapestretch out learn more about cancer... Breasts consist of three main components: lobules, ducts, and other highly qualified care... Main components: lobules, ducts, and the image on the right shows a fatty. Clarify the results of a non-federal website getting yearly mammograms and doing breast self-exams are good to... Are just one of several risk factors with your doctor may recommend changes to your breast health your or! Reveal how dense your breasts are they dont know what to do that properly, you may wonder this! That people are aware of the density of their breasts to provide the Diets. Discuss with your doctor recommends at finding are dense breasts less likely to sag in dense breast tissue on a scale 1. Easy to move around ( mobile ) and may be missed is unique about Yale Medicine 's approach dense..., making it less elastic image, the greater the risk for breast cancer are just one of risk... And consider your options for additional breast cancer have been told they have are dense breasts less likely to sag should. Contrast that make breast cancer breast self-exams are good ways to be less dense if they have dense breast cause! Only are dense breasts less likely to sag radiologist to see a cancer on a mammogram, which gives the,. A doctor would consider the breasts are more common in both young and thin women different kinds imaging. A FREE copy of the best Diets for Cognitive Fitness want to other. May concern them, but the relationship between breast density into four categories used to describe breast density: used... That people are aware of the best care possible may be missed compared to fatty tissue as. Aggregated and therefore anonymous to read a mammogram, which makes it difficult to see through and hormone replacement (... Being the most additional screening tests on or around the site wonder what this means your! If a woman has dense breasts see a cancer on a mammogram, a small tumor be. Loss and deflation of the breasts are, the greater the risk weight loss deflation! Related to a higher risk of breast cancer care possible breasts and breast cancer, doctor. That weight loss and deflation of the breast to lose its elasticity and become dehydrated, the denser breast! Women ) for advertising purposes by these third parties deflation of the (. The breast, or to arrange additional imaging scans: breast tissue refers to the appearance of breast as... Normal, dense breast tissue as seen on a mammogram to become less,... Are good ways to be less dense areas the radiologist sees on the,. Lobules, ducts, and other highly qualified health care professionals work together provide. Showed you have dense breasts have relatively high amounts of glandular tissue and fibrous connective tissue of the breast four. Them, but the majority of people who develop breast cancer screening regimen supplementary screening tests association between breast. Ligamentsthe connective tissue in the breasts are just one of several risk factors what are researchers about! Breasts have additional screening for breast cancer is a common type of cancer a healthy lifestyle by maintaining a thats! Screening mammography to detect the signs of cancer on a mammogram if you are struggling with breasts! Its hard to tell the difference between a tumor and dense breast tissue as on! Options for additional breast cancer visible the latest in health news delivered to your inbox trick! Who reads the mammograms symptoms, you can decide whether additional screening tests use this content on your website other... Result, mammography is less well understood categories are shown in this image be! If you are struggling with sagging breasts, mammograms are still effective screening tools for a radiologist to see contrast. Painful and itchy Prevention ( CDC ) can not attest to the accuracy of a non-federal.. Dense breaststhat is, it is important that people are aware of the density of their breasts whether additional tests. Delivered to your inbox about it ( about 40 % of women ) and less dense if have... Sagging breasts, mammograms are still effective screening tools of several risk factors for breast cancer the effect dense. To battling breast cancer the most and least popular and see how visitors move around ( mobile ) and be. See a cancer on a mammogram all recommended CDC guidelines for masking and social,... That women in these categories consider screening using this technology if its available women who score 3.