Q. What imaging tests are used to evaluate breast lumps?
Doctor Answer is medically reviewed by SecondMedic medical review team.
Several imaging tests are used to evaluate breast lumps and abnormalities. These imaging tests play a crucial role in diagnosing breast conditions, including breast cancer. The choice of imaging test depends on various factors, including the nature of the lump, the patient's age, and clinical history. Here are some of the primary imaging tests used to evaluate breast lumps:
1. Mammography: Mammography is the most common imaging tool for breast evaluation. It uses low-dose X-rays to create detailed images of the breast tissue. Mammograms can detect breast abnormalities, including lumps that may not be felt during a physical examination. There are two main types of mammograms:
- Screening Mammogram: Used for routine breast cancer screening in asymptomatic individuals.
- Diagnostic Mammogram: Performed when there are specific breast concerns, such as a palpable lump or breast changes.
2. Breast Ultrasound: Breast ultrasound uses high-frequency sound waves to create images of the breast tissue. It is often used to further evaluate breast lumps identified during a physical examination or on a mammogram. Ultrasound can help determine if a lump is solid (potentially cancerous) or fluid-filled (usually benign, such as a cyst).
3. Breast Magnetic Resonance Imaging (MRI): Breast MRI provides highly detailed images of the breast tissue. It is typically used in specific situations, such as for high-risk individuals or when additional evaluation is needed after other imaging tests. Breast MRI may also be used for surgical planning.
4. Digital Breast Tomosynthesis (DBT): DBT, also known as 3D mammography, is an advanced form of mammography that creates a series of thin, high-resolution images of the breast tissue. It can help improve the detection of breast abnormalities, particularly in dense breast tissue.
5. Breast Scintigraphy (Nuclear Medicine): This imaging test, also known as a breast scan or a scintimammography, involves injecting a small amount of radioactive material into the body. The radioactive material is taken up by breast tissue, and a gamma camera is used to create images. It can be helpful in evaluating suspicious areas, especially in women with dense breast tissue or breast implants.
6. Positron Emission Tomography (PET) Scan: PET scans are used to evaluate whether breast cancer has spread to other parts of the body (metastasized). They are typically performed when breast cancer is already diagnosed and the stage of the disease needs to be determined.
The choice of imaging test or combination of tests depends on the individual's specific situation and the clinical judgment of healthcare providers. In many cases, a combination of mammography, ultrasound, and biopsy (if necessary) is used to evaluate breast lumps and determine whether they are cancerous or benign. Early and accurate diagnosis through imaging is critical for appropriate treatment planning and improved outcomes in cases of breast cancer.