Notes in 08 Normal variants

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Published	05/01/2023	Breast imaging: Normal variantsThe {{c1::sternalis muscle}} is a vertically-oriented accessory parasternal chest wall muscle that is either triangular…
Published	05/01/2023	Breast imaging: Normal variantsDuring a mammogram, the sternalis muscle can only be seen on the {{c1::CC}} view medially at far-posterior depth.
Published	05/01/2023	Breast imaging: Normal variantsA {{c1::medial mass}} is the main differential consideration for a visualized sternalis muscle.
Published	05/01/2023	Breast imaging: Normal variants{{c1::Characteristic shape and lack of corresponding finding on the lateral/MLO views::Which two findings}} are used to…
Published	05/01/2023	Breast imaging: Normal variantsAn {{c1::accessory nipple (polythelia)}} is seen in approximately 2% of neonates and may present on mammography as a ro…
Published	05/01/2023	Breast imaging: Normal variantsAccessory or ectopic breast tissue occurs in 2–6% of women and is most common in the {{c1::axilla}}. It may be unilater…
Published	05/01/2023	Breast imaging: Normal variantsDiagnosis (yellow arrows)?{{c1::Accessory or ectopic breast tissue}}
Published	05/01/2023	Breast imaging: Normal variants{{c1::Poland syndrome}} is a congenital disorder characterized by uni-lateral absence of {{c2::pectoralis major mu…
Published	05/01/2023	Breast imaging: Normal variantsDiagnosis (yellow arrows)?{{c1::Sternalis muscle}}
Published	05/01/2023	Breast imaging: Normal variantsAn accessory nipple (aka polythelia) is often associated with {{c2::Turner::chromosomal}} syndrome, {{c3::Fanconi anemi…
Published	05/01/2023	Breast imaging: Normal variantsThe sternalis muscle is more commonly {{c1::uni}}-lateral.
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