Ultrasound of Breast - Index
Breast ultrasound is a non-invasive, radiation-free imaging test that uses high-frequency sound waves to produce real-time, detailed images of breast tissue. It does not require contrast dye or special preparation, and carries no risk of claustrophobia, with the full exam taking approximately 30 minutes to complete. It is commonly used as a first-line or supplemental tool for breast cancer screening and evaluation of breast abnormalities in oncology care.
Breast ultrasound is a safe, non-radiation imaging test that uses sound waves to evaluate breast tissue for abnormalities, screen for cancer, and guide breast procedures in oncology care.
Key facts at a glance
- Modality
- us
- Body part
- chest · breast
- Ionizing radiation
- false
- Radiation dose
- 0
- Duration (min)
- 30
- Pregnancy safe
- true
- Pediatric safe
- true
- Breastfeeding safe
- true
- Claustrophobia risk
- none
- Metal implant safe
- safe
- Sedation
- none
- LOINC
- 24601-7
- SNOMED
- 241457000
- Result turnaround
- 24-48h
- Availability
- routine
- Setting
- outpatient
- Cost tier
- moderate
What Is a Breast Ultrasound?
A breast ultrasound is a diagnostic imaging test that uses a small handheld device called a transducer to emit high-frequency sound waves. These sound waves bounce off breast tissue and are converted by a computer into real-time, detailed images of the internal structures of the breast. Unlike mammography, this test uses no ionizing radiation, does not require contrast dye, involves no special preparation, carries no claustrophobia risk, and takes approximately 30 minutes to complete from start to finish.
Oncology Clinical Applications for Breast Ultrasound
This exam is widely used in breast oncology care for a range of clinical purposes, including evaluating palpable lumps or thickening detected during a physical breast exam, further characterizing abnormalities (such as distinguishing fluid-filled cysts from solid masses) found on screening mammograms, and screening for breast cancer in people with dense breast tissue where mammogram imaging may be less sensitive. It is also used to guide needle biopsies of suspicious breast tissue, monitor known benign breast conditions (like fibroadenomas or cysts) over time, assess breast implants for leaks or structural abnormalities, and evaluate concerning breast symptoms including unexplained pain, redness, or nipple discharge that may be linked to underlying breast pathology.
What to Expect During Your Exam
You will lie on your back on a padded exam table, and may be asked to raise the arm on the side of your breast being scanned out of the way. A warm, water-based gel will be applied to your breast to eliminate air between the transducer and your skin, which helps the sound waves travel clearly to produce accurate images. The technologist will gently move the transducer back and forth across your breast to capture images from multiple angles; you may feel mild pressure but no pain during the scan. The full exam takes roughly 30 minutes, and you can return to all normal activities immediately after it is complete, with no recovery time needed.
How to read the report
- Results reviewed by radiologist.
What Is This Procedure?
This ultrasound evaluates breast, specifically breast. No radiation exposure.
What Does It Show?
Detailed images of breast. Part of the oncology system.
Common Uses
This exam is commonly used to detect abnormalities, guide treatments, and monitor known conditions.
What to Expect
The procedure takes approximately 30 minutes.
Severe pain at procedure site
urgentWorsening severe pain with fever or other symptoms. Go to urgent care or ER.
Mild symptoms after procedure
promptMild discomfort or symptoms that don't improve. Contact your doctor.
This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 9, 2026. · Read our editorial policy