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Screening & Diagnostic Mammography
Digital mammography refers to x-ray examination of the breast and yields information on the interior of the breast. Digital mammography is used to detect and diagnose breast disease both in women who have breast symptoms (problems such as a lump, pain or nipple discharge) and women who are asymptomatic (no breast complaints).
When you have your mammogram performed at The Jim & Eleanor Randall Breast Center in Pasadena, the Huntington-Hill Breast Center in Arcadia or one of our Huntington-Hill Imaging Center in Cordova or Glendora, you will be comfortable knowing that our physicians and support staff are highly experienced and trained. We perform more than 40,000 screening mammograms, and over 10,000 diagnostic evaluations of women with breast problems per year. We also provide excellent mammogram accuracy thanks to our nationally respected team of breast radiologists and our computer aided detection (CAD) program. It provides secondary interpretations of every mammogram film that our experienced team of radiologists uses as a back-up evaluation. In addition, our physicians, technologists, and state-of-the-art equipment are certified and accredited by the American College of Radiology (ACR), the FDA, and the National Accreditation Program for Breast Centers (NAPBC). Jim & Eleanor Randall Breast Center has also been awarded “The Breast Imaging Center of Excellence (BICOE)” by the ACR because it has earned accreditation in all of the ACR’s breast-imaging accreditation programs, in addition to the Mammography Accreditation Program.
Calcifications are tiny mineral deposits within the breast tissue, which appear as small white spots on the images. Calcifications are divided into two categories, macrocalcifications and microcalcifications.
Macrocalcifications are coarse (larger) calcium deposits that are associated with benign (non-cancerous) conditions and do not require a biopsy. They most likely represent degenerative changes in the breasts, such as aging of the breast arteries, old injuries, or scarring from other causes. Macrocalcifications are found in about 50% of women over the age of 50, and in about 10% of women under the age of 50.
Microcalcifications are tiny (less than 1/50 of an inch) specks of calcium in the breast that may appear singly or in clusters. An area of microcalcification that is seen on a mammogram does not always mean that breast cancer is present. The shape and arrangement of microcalcifications help the radiologist judge the likelihood of breast cancer being present. In some cases, the microcalcifications do not even indicate a need for a breast biopsy. Instead, a doctor may advise a follow-up mammogram within 3 to 6 months. In other cases, the microcalcifications are more suspicious and a biopsy is recommended to determine if cancer is present.
A mass is an important change seen on mammograms. Masses may occur with or without associated calcifications and can be due to many things, including cysts. A cyst, which is a benign collection of fluid in the breast, cannot be diagnosed by a physical exam alone nor can it be diagnosed by digital mammography alone. To confirm that a mass is a cyst, either breast ultrasound or aspiration with a needle is required. If a mass is not a cyst, then further imaging may be obtained. As with calcifications, a mass can be caused by benign breast conditions or by breast cancer. Some masses can be monitored with periodic digital mammography and/or ultrasound, while others may require immediate or delayed breast biopsy. The size, shape, and margins (edges) of the mass help the radiologist in evaluating the likelihood of breast cancer. Breast ultrasound is often helpful. Prior mammograms may help show that a mass is unchanged for many years, indicating a benign condition and helping to avoid unnecessary breast biopsy.
Digital mammography cannot prove that an abnormal area is breast cancer. If digital mammography raises a significant suspicion of breast cancer, tissue must be removed for examination under the microscope to tell if it is cancer with certainty. This can be done with needle biopsy or open surgical biopsy.
Screening digital mammography is an x-ray examination of the breast in a woman who is asymptomatic (has no breast complaints). Screening digital mammography usually involves two views (x-ray pictures) of each breast. For some patients, additional pictures may be needed at screening to include as much breast tissue as possible.
If there is a breast tissue abnormality seen on a screening mammogram, the patient will be notified to return for additional imaging. The patient may be required to have additional mammography views and/or a breast ultrasound. In some cases, a biopsy of the abnormal area may be necessary.
The goal of screening digital mammography is to detect breast cancer when it is still too small to be felt by her physician or the woman. Early detection of small breast cancers by screening digital mammography greatly improves a woman’s chances for successful treatment. If you have no symptoms such as a breast lump or nipple discharge, we recommend annual screening mammograms beginning at age 40. The American College of Radiology’s breast cancer detection guidelines include yearly screening digital mammography for all women 40 years of age and older.
In the United States, one out of eight women will develop breast cancer during her life. The earlier the disease is diagnosed, the higher the chances of a complete cure. Breast cancer takes years to develop. Early in the disease, most cancers of the breast cause no symptoms. When breast cancer is detected in the localized stage without spread to lymph nodes, the five year survival rate is 98%. If the cancer has spread regionally to axillary (underarm) lymph nodes the rate drops to 76%.
Should you experience nipple discharge or notice a lump (even if you are in your early twenties), contact your personal physician immediately and he/she will recommend you to have a diagnostic evaluation. The best protection against the effects of breast disease is early detection and early treatment.
Diagnostic digital mammography is an x-ray examination of the breast in a woman who either has a breast complaint (for example, a breast mass, nipple discharge, etc.) or has had an abnormality found during screening digital mammography. During diagnostic digital mammography, two views (x-ray pictures) are taken of each breast. These are the same views taken for screening mammograms. For some patients, additional x-rays may be taken to carefully evaluate the breast or a breast abnormality. In some cases, special images known as cone views with magnification are used to make a small area of altered breast tissue easier to evaluate. Many other types of x-ray pictures can be obtained, depending on the type of abnormality and its location in the breast. These x-rays are tailored to the patient’s needs. Clinical history and a physical examination by your physician are important information our radiologists use to properly apply digital mammography and ultrasound to assess your case.
A diagnostic digital mammography work-up may show that a lesion (area of abnormal tissue) has a high likelihood of being benign (not breast cancer). For these, it is common to ask the woman to return earlier than usual for a recheck, usually in 4-6 months. On the other hand, a diagnostic mammogram may show that the abnormality is not worrisome at all and the woman can then return to routine yearly screenings.
Finally, the diagnostic work-up may suggest that a biopsy is needed to tell whether or not the lesion is breast cancer. A recommendation for biopsy does not necessarily mean that the abnormality is cancer. About 70% of all breast lesions that are evaluated with biopsy are found to be benign when evaluated under the microscope.
The American Cancer Society recommends the use of three tests for breast cancer detection in asymptomatic women – digital mammography, clinical breast exams by a physician or other health care professional and monthly breast self-examination (BSE). While no test can fine 100% of breast cancers, the combination of tests offers women the best possible chance of early detection.
The bottom line is that early detection is the key to beating breast cancer. Additionally, annual screening results in lower recall rates than does biennial screening and finds cancer at the earliest stage – providing a more favorable prognosis. The American College of Radiology, the Society of Breast Imaging and many major cancer organizations, strongly recommend women begin their annual screening mammography routine at age 40, and that women with a family history of breast cancer consult with their primary care physician about when to get their baseline mammogram and if additional imaging is needed. You should talk to your primary care clinician about when to start and how often you should have a mammogram.
Every year over 200,000 women are diagnosed with breast cancer, affecting 1 in 8 women in the U.S. Women age 40 and older should have a yearly mammogram, regardless of whether it is 2D or 3D. Mammography is the only test that has been shown in multiple studies to lower a woman’s risk of dying from breast cancer. In fact screening mammography reduces the mortality rate from breast cancer by as much as 30%, and women younger than 50 who are diagnosed have an increased risk of getting an aggressive form of breast cancer. While family history is an important risk factor to share with your doctor, many women do not realize that 75% of breast cancers diagnosed are in women with no family history.
It’s with these facts in mind that breast health experts and doctors agree that in the fight against breast cancer, early detection is the key to a much better chance of survival. With emerging technologies such as 3D imaging survival rates are going up and invasive cancers are being found at an earlier, more treatable stage.
We have four locations that offer a combination of breast imaging services:
- The Jim & Eleanor Randall Breast Center offers 2D and 3D Screening and Diagnostic Mammography.
- Huntington-Hill Breast Center – Arcadia offers 2D and 3D Screening and Diagnostic Mammography.
- Huntington-Hill Imaging Center – Glendora offers 2D Screening and Diagnostic Mammography.
- Huntington-Hill Imaging Center – Cordova offers 2D Screening and Diagnostic Mammography.