Use of ultrasound in breast disease

Ultrasound in the most frequently used adjunct imaging modality to mammography for the evaluation of the breast. This review discusses the history of breast ultrasound and its current use, including equipment, appropriate method of scanning, and normal breast anatomy. Sonographic characteristics for lesion assessment as well as appropriate uses for breast ultrasound are reviewed. The use of ultrasound to guide minimally invasive breast biopsy as well as emerging technologies and applications for ultrasound are also discussed