Breast ultrasound uses sound waves to make images of the breast. It is non-invasive and often used as a follow-up test after an abnormal finding on a mammogram, breast MRI or clinical breast exam. If a needle biopsy is needed, breast ultrasound may also be used to help guide the procedure.
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What are the reasons for a breast ultrasound?
A breast ultrasound procedure is commonly performed to determine if an abnormality detected by mammography or a palpable lump is a fluid-filled cyst or a solid tumor (benign or malignant). Breast ultrasound may also be used to identify masses in women whose breast tissue is too dense to be measured accurately by mammography. Breast ultrasound is generally not used