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Radiographic features. Mammography. The mammographic appearance of the sternalis muscle is variable. Typically it is visible in the medial aspect of the breast on the craniocaudal mammogram and appears as a small soft tissue density/mass abutting the chest wall.
22 cze 2023 · The mammographic appearance of the sternalis muscle is variable. Typically it is visible in the medial aspect of the breast on the craniocaudal mammogram and appears as a small soft tissue density/mass abutting the chest wall.
4 maj 2012 · Familiarity with its mammographic appearance and ultrasonographic correlation is essential to avoid confusion with a malignant lesion. In this case report, we describe mammographic and ultrasonographic imaging findings of the sternalis muscle and review the literature.
Ultrasound imaging of the sternalis muscle reveals a well-defined, hypoechoic structure with internal striations, consistent with the appearance of skeletal muscle. Ideally, its continuity with chest wall muscles can be traced to prove muscular origin.
- “ Characteristic findings of sternalis muscle (an anatomic variant) on mammography.
The sternalis muscle is a normal anatomic variant, present in 6 - 8% of people. It can be misinterpreted as a potentially worrisome mass on a screening mammogram, leading to unnecessary extra views, diagnostic workups and even biopsies.
19 sty 2013 · The sternalis muscle is an unusual variant of the chest wall musculature. It may be visible as a rounded or irregular density on the craniocaudal mammogram along the sternal edge of the film. With improved mammographic positioning it will be seen more frequently.
