Blood1 - Inferior lymphatics drain via the internal...

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Blood, lymph and innervation Blood Supply 1. Breasts arterial supply from subclavian and axillary arteries 2. Laterally supplied by the lateral thoracic and acromiothoracic artery 3. Medially supplied by the internal thoracic artery 1. Breast surgery can sometimes damage these leading to poor wound healing Lymphatic Drainage 75% of breast lymph drains laterally to the axillary lymph nodes which are arranged in 5 clusters: 1. Anterior 2. Posterior 3. Lateral 4. Central 5. Apical groups Superiorly these nodes drain to the intraclavicular and lower cervical nodes
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Unformatted text preview: Inferior lymphatics drain via the internal thoracic chain to the diaphragm and anterior abdomen Medially to the parasternal nodes (internal thoracic chain) which may cross the midline and involve the other breast All nodes eventually drain upwards towards the clavicle and eventually above the clavicle Some of these nodes are often the first site of cancer spread Innervation Anterior and lateral cutaneous branches of the 2 nd and 6 th intercostals nerves Nipple innervated by the 4 th intercostal nerve...
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Blood1 - Inferior lymphatics drain via the internal...

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