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Breast Ultrasound Exam - What to Expect


Updated September 08, 2011

What You Need to Know About Your Breast Ultrasound:

A breast ultrasound exam is usually done after a mammogram or clinical exam reveals an area of concern that doesn’t show up distinctly. Very little pressure is used, and the exam is usually painless. Since ultrasound uses high-frequency sound waves instead of x-rays, your breast is not exposed to radiation. Ultrasound can be used for clear imaging of dense breast tissue, and is safe for women who are pregnant or who have breast implants. The exam may take 10 to 30 minutes to complete.

Medical Records to Bring Along:

Bring a list of the most recent mammograms that you’ve had done. If you’ve had breast surgery, write down the types of surgery, treatments, or biopsies you've had and when you had them. You may need those to complete any paperwork before the appointment. Bring your medical insurance card with you, too.

Dress for Comfort:

Dress as you would for a mammogram, in a loose two-piece outfit with an easy-to-remove top.

At the Clinic:

You will be asked to remove your clothing from the waist up. You will then put on a gown that's open in the front.
The ultrasound equipment looks like a computer workstation, with an eye-level monitor, a keyboard and trackball, a computer, and wands of various shapes (transducers) that are suited to different kinds of ultrasound exams. The room will be dimly lit so that the ultrasound operator can clearly see images of your breast on the monitor.

Preparing for the Ultrasound:

You will lie on your back on an exam table. You may need a pillow under your head and shoulders, or a wedge pillow under your back, to get yourself in proper position for the exam. You may be asked to raise either arm above your head, as you would during a clinical breast exam. Clear gel will be put on your skin near the area that will be imaged. The gel will help the transducer glide smoothly and make good contact with your skin.

The Exam:

The operator will place the transducer over the area to be examined. While pressing firmly, he will slide the transducer back and forth and watch the images created on the monitor. When the exact area that needs to be looked at is located, the finding can be imaged, measured, and shown to the radiologist. The gel will be wiped off and you will have time to dress. You may be asked to wait while the radiologist looks at your ultrasound.

Getting Your Results:

You can ask to see the image, but don’t ask the operator for a diagnosis. Either your radiologist will talk to you about it, or your doctor will contact you to discuss it. You can ask your doctor for a copy of the ultrasound report for your medical records.
RadiologyInfo.com. Breast Ultrasound. Copyright © 2007 Radiological Society of North America, Inc. (RSNA)
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