Breast ultrasound is a radiation-free imaging method that uses high-frequency sound waves to evaluate breast tissue. It is widely used to assess breast lumps, pain, nipple or skin changes, and to further examine findings detected during mammography.
Because it does not use radiation, breast ultrasound is considered safe, including for pregnant women, and can be repeated when necessary.
Breast ultrasound is not a standalone test. It is part of a structured breast imaging system, where findings are interpreted together with clinical examination, patient history, and other imaging methods.
When and How Is Breast Ultrasound Used?
Breast ultrasound plays a key role in both diagnosis and follow-up, depending on age, breast tissue characteristics, and clinical findings.
- Women under 40 years of age
Breast tissue is often denser in younger women, which can limit mammography sensitivity. For this reason, ultrasound is frequently the first imaging method used to evaluate breast complaints. In selected cases, it may be combined with breast MRI. - Women aged 40 and above
According to international recommendations, including those of the World Health Organization (WHO), annual mammography after the age of 40 is the gold standard for breast cancer screening.
In this age group, breast ultrasound plays an important complementary role, especially for:- Further evaluation of lesions detected on mammography
- Assessment of dense breast tissue
- Correlation of imaging findings with a palpable lump
- Guidance for biopsy when needed
What Does Breast Ultrasound Evaluate?
Breast ultrasound does not only determine whether a lesion is solid or cystic. It also provides detailed information about:
- The size and exact location of a lesion
- Its internal structure and content
- Shape and margins
- Relationship to surrounding breast tissue
These features are evaluated according to established radiological criteria and help determine whether a lesion requires routine follow-up, short-term monitoring, additional imaging, or biopsy.
Common Findings and Follow-Up
It is important to know that most breast lesions detected on ultrasound are benign.
Common benign conditions include:
- Simple cysts
- Fibroadenomas
- Fibrocystic breast changes
- Fat necrosis
Lesions with benign features are often followed with scheduled ultrasound controls (for example at 3 or 6 months) to ensure stability.
If no change is observed, routine follow-up continues.
When a lesion shows suspicious features, breast ultrasound is commonly used to guide biopsy, allowing accurate and targeted tissue sampling.
A Multidisciplinary Approach
All breast ultrasound findings are evaluated within a multidisciplinary framework, involving radiologists, general surgeons, and other specialists when appropriate.
This collaborative approach ensures that imaging results are correctly interpreted and that each patient receives the most appropriate and individualized care plan.
Patient Safety and Reassurance
Breast ultrasound is a low-risk, patient-friendly examination that supports early and accurate evaluation. Used as part of an organized diagnostic pathway, it helps guide decisions while prioritizing patient safety, comfort, and clarity.