Different Tests Can Answer Different Questions

A mammogram and Automated Breast Ultrasound, commonly called ABUS, are not interchangeable tests.

Mammography uses low-dose X-rays to create images of breast tissue and remains the primary screening tool for most women. ABUS uses sound waves and may be added for selected patients, particularly when dense tissue makes a mammogram more difficult to interpret.

When a provider recommends both exams, the goal is to gather complementary information. One test does not cancel out the need for the other.

The decision should be based on your breast density, overall risk, previous imaging and the recommendation of your healthcare team.

What Mammography Can Show

Mammograms can reveal masses, architectural changes and tiny calcium deposits that may not be visible with ultrasound.

Three-dimensional mammography, or digital breast tomosynthesis, captures images from multiple angles and allows the radiologist to review thin layers of tissue. This can reduce some of the visual overlap found in a flat 2D image.

Even with 3D technology, dense fibrous and glandular tissue can sometimes obscure a finding because dense tissue and many cancers both appear white on mammograms. That is why breast density is included in the radiology report and patient summary.

What ABUS Adds

ABUS creates ultrasound images across a broad area of the breast. Sound waves respond differently to solid and fluid-filled structures, giving the radiologist another way to evaluate tissue.

Because ABUS does not rely on X-rays, density affects the images differently than it affects a mammogram.

ABUS may help identify some findings that are less visible on mammography in dense tissue. However, it can also reveal benign areas that require additional evaluation.

A patient may be called back for targeted handheld ultrasound, more mammogram views or another test. This possibility should be part of the discussion before supplemental screening.

Who May Be a Candidate for Both?

Women with heterogeneously dense or extremely dense breasts may be candidates for supplemental imaging, but density is only one factor.

Family history, genetic mutations, previous biopsies, prior chest radiation and personal history can influence the screening plan. Some higher-risk women may be advised to have breast MRI rather than, or in addition to, ultrasound.

Professional guidance does not recommend that every woman with dense breasts automatically receive ABUS.

Your clinician can help weigh potential benefits against possible drawbacks, including false-positive findings, extra appointments, anxiety and out-of-pocket costs. Insurance coverage for supplemental screening can vary.

Coordinate Your Breast Screening at WHMC

The most effective screening plan is one you understand and can follow consistently.

Keep copies of prior imaging available, review your density category and update your provider whenever your family or personal history changes. If you notice a new breast symptom, contact your provider instead of waiting for routine screening.

Women’s Health and Menopause Center provides 3D mammography and ABUS technology for dense breasts in West Bloomfield.

To ask whether you may benefit from both, call (248) 932-9223 or request an appointment.

What to Expect During an ABUS Appointment

For ABUS, you will generally lie on your back while lotion is applied to the breast. A wide ultrasound transducer is placed over the tissue to collect standardized images.

The technologist may make several passes to image the full breast. You may feel pressure, but the examination does not use the same plate compression as mammography and does not involve ionizing radiation.

The technologist captures the images, but a radiologist interprets them. Results may not be provided during the appointment.

Ask when the report should be available and what follow-up would be required if an area needs more evaluation. Since ABUS can identify findings that require targeted imaging, plan to complete any recommended follow-up promptly.

Supplemental screening is most useful when it is part of an organized process that includes interpretation, communication and access to diagnostic evaluation.

Confirm the Order and Coverage

Before booking ABUS, confirm that the appropriate order has been placed and ask your insurance company how supplemental ultrasound is covered.

Request an estimate if coverage is uncertain. Also ask whether mammography and ABUS should be scheduled together or on separate dates.

Understanding the plan before arrival can reduce delays and ensure the radiologist receives the imaging needed for a complete review.

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