Breast Ultrasound

Breast ultrasound examination produces images of your breast using inaudible sound waves in a frequency range far above the range of human hearing. This procedure also is known as a sonogram. A breast ultrasound may be ordered by your physician or recommended by your radiologist to obtain more information about a possible abnormality. It is frequently done to assess the characteristics of a lump.

What to Expect

The examination will be performed by a technologist who is an expert in using ultrasound. A hypo-allergenic, water-soluble gel will then be applied to your breast to prevent air from getting between the ultrasound source and your skin. A small probe, called a transducer, will be passed over the surface of your breast, producing a painless sensation of light pressure on your skin. The exam typically takes about 15 to 30 minutes.

The examination results will be evaluated by a radiologist skilled in interpreting sonograms. The results will be sent to your referring physician within five working days.

How to Prepare

When you schedule your appointment, we will inform you about any specific preparations depending upon the specific procedure your doctor has ordered. Please contact the Scheduling Department at 949.764-5573 if you have any questions.

No powder, perfumes, lotions or deodorants should be used between the neck and waist. A two-piece outfit is recommended to be worn. Please bring prior outside mammogram films with you.
If you have prior studies outside of Hoag for a comparison, please bring them to your appointment.

Please complete, print out and bring with you the following forms to your appointment:

Outpatient Medication Reconciliation form (for Breast Center and Interventional Procedures) - Download PDF

Side Effects/Follow-Up Care

Side effects and complications

No side effects or complications should be expected.

Follow-up care

The exam itself requires no follow-up care.


Locations where NHRA provides Breast Ultrasound services