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7 Cards in this Set
- Front
- Back
what does female breast consist of?
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mammary glandular tissue, adipose, connective tissue, skin
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nipple
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at ~IC space 4
10-20 mammary lobes --> lactiferous ducts --> lactiferous sinus --> nipple |
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retromammary space
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loose CT separating breast from underlying fascia of pec major & serratus anterior
tumors can invade this space and attach to underlying muscles |
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arteries to breast
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medial mammary (from internal thoracic)
lateral thoracic & thoracoacromial (from axillary) posterior IC (from aorta) |
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venous drainage
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parallels arteries
axillary, internal thoracic & IC veins |
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lymphatic drainage
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axillary - ~75%
parasternal - esp from medial breast subdiaphragmatic and abdominal - inferior breast |
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5 groups of axillary lymph nodes
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1) pectoral (anterior) - breast
2) humeral (lateral) - UL 3) subscapular (posterior) - back & shoulder 4) central - in fat 5) apical - lymph from all other axillary groups |