By Dr. Haitham Nabeel
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, Introduction
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,Anatomy
• The protuberant part of the human breast is generally described as overlying
second to the sixth ribs and extending from the lateral border of the sternum
the anterior axillary line.
• Actually, a thin layer of mammary tissue extends considerably further, from t
clavicle above to the seventh or eighth ribs below, and from the midline to t
edge of the latissimus dorsi posteriorly. This fact is important when perform
a mastectomy, the aim of which is to remove the whole breast.
• The axillary tail of the breast is of surgical importance. In some normal subjec
is palpable and, in a few, it can be seen premenstrually or during lactation.
• A well-developed axillary tail is sometimes mistaken for a mass of enlarged
lymph nodes or a lipoma.
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, Cross-sectional
anatomy of the breast
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