Presentation
Third round breast screen
Patient Data
Age: 55 years
Gender: Female
From the case:
Bilateral sternalis muscle at mammography
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Triangular opacities seen medially in both breasts represent the sternalis muscle. Only seen on the CC and Cleavage views
From the case:
Bilateral sternalis muscle at mammography
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Normal appearance on the MLO
Case Discussion
Uncommon for bilateral sternalis muscles to be seen.
When bilateral as in this case, they are usually asymmetrical.
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