Lymph Nodes of the Axilla

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Area Serviced by Axillary Lymph Nodes:

Pectoral (aka anterior):

• The pectoral (anterior) axillary lymph node drains the anterior medial wall of the axilla. It drains the breast and anterior upper 1/2 of trunk.

Subscapular (aka posterior):

• The subscapular (posterior) axillary lymph node drains the posterior medial wall of the axilla. It drains the posterior upper 1/2 of trunk.

Lateral:

• The lateral lymph node is located along the medial part of the axillary vein. It runs with the lateral thoracic artery. It drains the upper limb.

Central:

• The central lymph node is the largest of the axillary lymph nodes. It is located in the fat of the axilla. It is enlarged in male patients. It drains the pectoral, subscapular and lateral lymph nodes.

Apical:

• Located in the apex of the axilla. It forms a small trunk that receives lymphatic duct from central. It is the last station before the subclavian lymphatic trunk.

Subclavian Lymphatic Trunk:

Drains the supra clavicular lymph node which lies in the lower part of the posterior triangle of the neck. The trunk eventually drains into the thoracic duct (on the left side) or the right lymphatic duct (right side).

Chapters on Shoulder Anatomy:

1. Arteries of the Axilla
2. Arteries of the Shoulder Girdle
3. Axillary Artery Aneurysm
4. Axillary Fat and Fascia
5. Axillary Nerve Block
6. Bones and Fractures of the Upper Limb
7. Boundaries of the Axilla
8. Breast Cancer and Axillary Lymph Nodes
9. Erb-Duchenne Palsy
10. Joints of the Shoulder Girdle
11. Klumpke's Paralysis
12. Lymph Nodes of the Axilla
13. Muscles of the Axilla
14. Muscles of the Shoulder Girdle
15. Notes on Shoulder Bursae
16. Roots and Trunks of the Brachial Plexus
17. Winged Scapula in Computer Programmer
18. Transient Axillary Paralysis
19. Variation of Brachial Plexus Structure
20. Veins of the Axilla

Additional Reading:

Histology and Cytology

1. Cell Components
2. Nervous Tissue
3. Muscle Tissue
4. Lymphoid Tissue
5. Integument
6. Respiratory System
7. Gastrointestinal System
8. Renal/Urinary System
9. Male Reproductive System
10. Female Reproductive System

Gross Anatomy

1. Back and Nervous System
2. Thorax
3. Abdomen, Pelvis, and Perineum
4. Upper Limb
5. Lower Limb
6. Head and Neck
7. Chest Wall
8. Shoulder

Anatomy Videos

1. Video of Musculoskeletal Examination in a Clinical Setting
1. Video of HEENT Examination in a Clinical Setting

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