What are some benign lesion features on breast Ultrasound?
Benign features on US include absence of malignant features, well-circumscribed mass, ellipsoid shape that is wider than it is tall, and hyperechogenicity.
Although these features are typically seen in benign lesions, some malignant masses may exhibit some of these features. Some carcinomas can be well circumscribed, including invasive ductal carcinoma (not otherwise specified) as well as medullary, papillary, and colloid subtypes of ductal carcinoma.
