Posterior acoustic shadowing in benign breast lesions: sonographic-pathologic correlation.

OBJECTIVE

To show a variety of benign breast lesions that exhibit posterior acoustic shadowing on sonography.

METHODS

The cases illustrate a variety of pathologic breast conditions that were collected at a referral breast center at a tertiary medical center.

RESULTS

A variety of pathologic conditions are discussed, with pathologic-imaging correlation.

CONCLUSIONS

Although posterior acoustic shadowing is a sonographic feature that is most commonly associated with mammary malignancies, this sonographic finding may also be seen with benign breast lesions.