What happens if my mammogram is abnormal?

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An abnormal mammogram does not necessarily mean you have breast disease or cancer. As many as 10 percent of women who have mammograms are called back for further evaluation. The majority find out through further tests that they are fine.

It's common to have an abnormal mammogram, says Paige Pennebacker, MD, from Blake Medical Center. Watch this video to learn about the steps a patient must take after receiving an abnormal screening.

Dr. Mehmet Oz, MD
Cardiologist (Heart Specialist)

If you are told you are being called back for an abnormal mammogram, remember that most of the time, no cancer will be found. If you have to face a decision about a biopsy, ask your doctor whether the risk is very low (in the 2-10 percent range) or much higher. Ask whether they are worried about invasive cancer or Ductal Carcinoma In Situ (DCIS). If the risk is low, and they are mostly worried about DCIS, you might want to ask if there is an option to have close surveillance and come back in 6 months. Make sure they have compared your current image to your last one (what they are seeing now might have been there in the past and you might not need a biopsy).

If you are asked to come back and repeat the mammogram, don't be alarmed. The film may have been difficult to read. If your doctor does notice something suspicious on your mammogram, he or she may order a biopsy to remove a sample of breast tissue and examine it for cancer. To put your mind at ease, consider that four out of five biopsies will not be cancerous, but it's better to be safe than sorry.

Depending on what abnormality is seen, another mammogram may be done with more views than the initial screening mammogram. An ultrasound can also be used in some cases. A biopsy may be needed and there are different ways of getting a biopsy. Initially fine needle aspiration is usually done. This uses a needle to aspirate a sample of the mass.

An abnormal mammogram means that the radiologist has identified a "finding" on your mammogram. This abnormality will require further evaluation. The vast majority of such findings are benign, or non-cancerous.

Additional tests to evaluate irregularities in breast tissue include special mammographic views, ultrasound, and biopsy. In breast ultrasound, the radiologist uses sound waves (rather than x-rays) to produce images of the breast. With these images the radiologist can determine whether a lump seen on the mammogram is a non-worrisome fluid-filled cyst, or a solid mass or complex cyst, which may require additional attention.

Lumps that are solid (non-cystic) often require biopsy to determine their origin. In a biopsy, tissue is removed from the lump and the surrounding area of the breast, and is tested for malignancy. Biopsy may be performed with a large-gauge needle or by surgical incision, depending on the indications and patient and physician preferences.

About 1 in 10 women who have a mammogram (an x-ray of the inside of the breast, which can be done either as a routine screening test or to pinpoint the cause of breast cancer symptoms) will need to get more pictures taken. Most do not have cancer, so don't be alarmed if this happens to you. Your doctor or nurse will call and discuss your results with you. An abnormal mammogram does not always mean you have cancer.

Dr. Courtney A. Garlick, MD
Diagnostic Radiologist

If your mammogram is abnormal, you return for a diagnostic mammogram. Abnormal findings don't always mean cancer—and it's a circumstance that occasionally happens for first mammograms since the doctor doesn't have previous exam results for comparison. A return visit offers a follow-up analysis of the findings. Often the abnormal findings are resolved after this second meeting.

No matter the results, or identified risk level, mammograms should become a yearly routine. If risk does become reality, with a mammogram you discover it early, thus beginning treatment early and improving chances of success. Even if you're not considered high risk, it doesn't preclude you from an annual screening.

Trinity Health recognizes that people seek medical information on a variety of topics for a variety of reasons. Trinity Health does not condone or support all practices covered in this site. As a Catholic health care organization, Trinity Health acts in accordance with the Catholic tradition.

Please note, the information contained on this website is provided to supplement the care provided by your physician. It is not intended to be a substitute for professional medical advice. Always seek the advice of a qualified health care provider if you have questions regarding your medical condition or before starting any new treatment. In the event of a medical emergency always call 911 or proceed to your nearest emergency care facility.

Dr. Kathleen V. Greatrex, MD
Diagnostic Radiologist

If your mammogram is abnormal, or if doctors spot something suspicious during a mammogram, they want to find out: Is it a solid something or is it a cyst? If it’s a cyst and it fills the criteria of a cyst, then it's almost 100 percent certain that it’s a benign process. However, if it is solid on ultrasound, more than likely your doctor will recommend a biopsy.

There are a lot of ways to evaluate areas that are asymmetrical in the breast; that are questionable—either the woman feels it or it shows up on the mammogram. Ultrasound has proven to be quite a simple procedure. No radiation is associated with an ultrasound, but it's a way to to deduce whether something is a cyst or a solid mass. There is also ultrasound-guided core biopsy under ultrasound guidance, which is also very simple to do as opposed to other ways biopsies are done.

Another way to evaluate women when something is not quite right is magnetic resonance imaging (MRI). An MRI is a great modality for evaluating soft tissue masses to deduce whether it is a benign process, like a fibroadenoma or a malignant process. MRI is another modality besides ultrasound.

Trinity Health is a Catholic health care organization that acts in accordance with the Catholic tradition and does not condone or support all practices covered in this site. In case of emergency call 911. This site is educational and not a substitute for professional medical advice, always seek the advice of a qualified healthcare provider.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.