Lymphatic Drainage of Breast, G1.8 ,Anatomy, Thorax, Breast

Lymphatic Drainage of Breast, G1.8 ,Anatomy, Thorax, Breast:

1. Axillary Lymph nodes:
1. Anterior: Pectoral - Inferior boarder of Pectoralis Muscle
2. Posterior: Subscapular - along the Subscapular artery and vein
3. Humeral - along the distal part of the axillary vein
4. Central, base of axilla in the axillary fat
2. Apical Lymph nodes
1. Along the axillary vein between the clavicle and the Pectoralis minor muscle
3. Medial
1. Parasternal Lymph nodes

Arterial Supply of the Breast, G1.7 ,Anatomy, Thorax, Breast

Arterial Supply of the Breast, G1.6 ,Anatomy, Thorax, Breast:

1. Medially - Medial Mammary branches from the Internal Thoracic Artery
2. Laterally:
1. Lateral Thoracic Artery from the Axillary Artery
2. Lateral Mammary branches of the lateral cutaneous branches of the posterior intercostal arteries

Bed of breast, G1.6 ,Anatomy, Thorax, Breast

Bed of breast, G1.6 ,Anatomy, Thorax, Breast:

1. Nerves:
1. Intercostobrachial nerves (T2 and T3)
2. Long Thoracic Nerve
2. Remember for anesthesia - two or more intercostal nerves need to be anesthetized

Imaging of breast, G1.5 ,Anatomy, Thorax, Breast

Imaging of breast, G1.5 ,Anatomy, Thorax, Breast

1. Galactogram
2. Mammogram
3. CT (note right and left)
1. Note orientation at the T12 to 4th Rib
2. IVC because there is a Liver
3. Descending Aorta
4. Breast, Suspensory ligaments and the Lactiferous ducts

Female mammary gland, G1.4 ,Anatomy, Thorax, Breast

Female mammary gland, G1.4 ,Anatomy, Thorax, Breast:

1. Suspensory Ligament of the breast
2. Interlobular Fat
3. Lactiferous ducts to the Nipple
4. Glandular tissue with stroma
5. Retromammary space (bursa)

Superficial dissection, Female pectoral region, G1.3 ,Anatomy, Thorax, Breast,

The axillary tail of the breast with glandular tissue on the right.

Sagittally sectioned Left breast has shows that the left breast extends from the 2nd to the 6th Rib.

The Retromammary Bursa, is a region of loose connective tissue between the pectoral fascia and the deep surface of the breast, and allows the breast to move on the deep fascia.

Suspensory Ligaments of the Breast.
Lactiferous duct and the Lactiferous sinus to the nipple. Interlobular fat.