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Posterior acoustic shadowing in benign breast lesions: sonographic-pathologic correlation
Susan P Weinstein1, Emily F Conant, Carolyn Mies
1Department of Radiology, University of Pennsylvania Medical Center, Philadelphia, Pennsylvania 19104-4283, USA. weinstei@oasis.rad.upenn.edu
Summary
Posterior acoustic shadowing on breast sonography, often linked to cancer, can also indicate benign breast lesions. This study highlights diverse benign conditions presenting this key imaging feature.
Area of Science:
- Radiology
- Oncology
- Pathology
Background:
- Posterior acoustic shadowing is a critical sonographic finding in breast imaging.
- This feature is frequently associated with malignant breast neoplasms.
- However, its presence in benign breast lesions is less commonly emphasized.
Purpose of the Study:
- To illustrate a spectrum of benign breast lesions.
- To demonstrate that these benign lesions can exhibit posterior acoustic shadowing on ultrasound.
- To provide pathological-imaging correlation for these cases.
Main Methods:
- Retrospective review of breast sonography cases.
- Cases collected from a tertiary medical center's referral breast center.
- Inclusion of diverse pathological breast conditions with corresponding imaging.
Main Results:
- Demonstration of multiple benign breast conditions exhibiting posterior acoustic shadowing.
- Pathological-imaging correlation confirms the nature of these lesions.
- Variety of benign entities presenting this specific sonographic characteristic.
Conclusions:
- Posterior acoustic shadowing on breast ultrasound is not exclusive to malignancies.
- Benign breast lesions can present with this sonographic finding.
- Awareness of this sonographic feature in benign conditions is crucial for accurate diagnosis.