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10 Cards in this Set
- Front
- Back
Blood supply to breast |
Axillary artery - highest thoracic, pectoral branches of thoracoacromial, lateral thoracic, subscapular
Internal Thoracic - perforating branches to anteromedial part of breasts
2nd and 4th intercostal arteries - perforating branches (laterally). 2nd perforating usually the largest (supplies upper region of breast, nipple, areola, and adjacent breast tissue) |
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Venous drainage of breast |
Medial drainage through internal thoracic vein to heart.
Posterior drainage to VERTEBRAL VEINS
Lateral drainage to intercostal, superior epigastric veins and LIVER
Lateral superior drainage through axillary vein to right heart.
THINK SITES OF METASTASIS |
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Lymphatic drainage of breast |
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Lymphatic drainage of chest |
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Axillary lymph nodes |
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Nerve supply to breast |
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Breast skin dimpling cause |
Invasion and contraction of ligaments of Cooper |
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Peau d'orange of breast cause |
occurs as a result of blocked dermal lymphatics by carcinoma. This results in lymph stagnation with resultant skin edema while the pits of the hair follicles appear retracted beneath the level of the skin |
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Retraction of the nipple potential cause |
carcinoma - invasion of the Lactiferous ducts with resultant pull on the nipple |
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Duct system of breast |
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