List five ultrasound characteristics of a benign lesion using the BI-RADS lexicon, of a benign lesion. List five ultrasound characteristics of a benign lesion using the BI-RADS lexicon, of malignant lesion. On breast US, what is the typical appearance of a cancer? On breast US, what is the typical appearance of a cyst? On breast US, what is the typical appearance of a fibroadenoma? What are the indications for breast ultrasound? What are three limitations of breast ultrasound? What is the significance of posterior shadowing? What type of transducer should be used forbreast ultrasound? When is ultrasound used as a screening modality? Book traversal links for Ultrasound ‹ What are the three most common palpable masses? Up List five ultrasound characteristics of a benign lesion using the BI-RADS lexicon, of a benign lesion. ›