Mammography is specialized medical imaging that uses a low-dose x-ray system to see inside the breasts.
Mammograms are a crucial screening tool in the early detection of breast cancer, and advancements in technology have led to the development of 2D (two-dimensional) and 3D (three-dimensional) mammography techniques. While the primary goal of both is breast cancer detection, there are differences between the two.
We compare the pros and cons of 2D and 3D mammograms, so you can make an informed decision about which is right for you and your breast health.
2D Mammograms:
2D mammography, also known as digital mammography, or conventional mammography, or traditional mammography, has been the standard of care for breast cancer screening for many years.
Pros:
Proven track record:
2D mammograms have been used successfully for decades and have saved countless lives by detecting breast cancer in its early stages.
Widely available:
2D mammography machines are readily available in most healthcare facilities, making them accessible to many patients.
Cons:
Limited views:
2D mammograms provide only two-dimensional images of the breast, which can make it more challenging to detect small tumors or lesions, particularly in women with dense breast tissue.
Overlapping tissues:
Because 2D mammograms compress breast tissue to capture images, overlapping tissues can sometimes create the illusion of abnormalities or lead to false-positive results, requiring additional testing and causing undue worry for the patient.
3D Mammograms:
3D mammography, also known as breast tomosynthesis, or digital breast tomosynthesis (DBT), is a more recent technology that offers some notable advantages:
Pros:
Enhanced detection:
3D mammograms take multiple images of the breast from different angles, providing a more comprehensive view. This reduces the likelihood of false positives and improves the detection of small tumors, especially in dense breast tissue.
Better for dense breasts:
Women with dense breast tissue may particularly benefit from 3D mammography as it can separate and clarify overlapping tissues, making it easier to identify abnormalities.
No additional compression:
Unlike 2D mammography, 3D mammography requires minimal additional compression, making it more comfortable for some women.
Fewer callbacks:
Because 3D mammograms are more accurate, they often result in fewer callbacks for additional tests, reducing anxiety, and costs associated with false alarms.
Cons:
Potential higher cost:
3D mammograms tend to be more expensive than 2D mammograms, and may not be covered by insurance.
Availability:
While 3D mammography is becoming more widespread, it may not yet be available at every healthcare facility, limiting access for some patients.
Considerations when choosing between 2D and 3D mammograms:
Insurance coverage:
While many insurance plans cover 3D mammography, it’s a good idea to confirm coverage with your insurance provider before scheduling the mammography appointment.
Breast density:
Women with dense breast tissue may particularly benefit from 3D mammography.
To schedule your mammogram at Glencoe Regional Health, please call 320-864-7816. At your appointment, the technologist will ask which type of mammogram you want, and can answer any additional questions you have at that time.
