The Axilla Class Notes | Western Sydney University - Edubirdie

University:
Western Sydney University
Course:
MEDI 2003 | Clinical Sciences 2
Academic year:

2024
Views:

259

Pages:

2
Author:

Mariam A. A.

The Axilla Boundaries • • • • Medially: serratus anterior and thoracic wall Laterally: intertubercular sulcus Anteriorly: pectoralis muscles Posteriorly: latissimus dorsi, scapularis and teres major Contents of the axilla • • • • • Axillary artery Axillary vein Brachial plexus Biceps branchii and coracobrachialis Axillary lymph nodes Clinical Significance • • • • First site of breast cancer metastasis - Axillary node involvement is the single most significant prognostic variable for breast cancer patients. Axillary region compression or stretching leading to damage can result in palsy (paralysis with tremors) of the radial nerve. The long thoracic nerve descends in the axillary region and compression, or damage of the nerve may give rise to winged scapula deformity. - Compression of the nerve may be a result from a tumour, an enlarged lymph node, or an aneurysm If a patient has a pneumothorax, pleural effusion, or haemothorax (air, fluid, or blood in the intrapleural space, respectively), a chest tube is likely to be inserted. Local anaesthetic and skilful technique are required for the procedure to be safe. The safe region to insert this is in the triangle of safety. This is marked by the lateral border of pectoralis major anteriorly, the apex is just below the axilla, the horizontal line at the level of the nipple marks the base, and posteriorly by the anterior border of latissimus dorsi.

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