Deltopectoral lymph nodes
Deltopectoral lymph nodes
The deltopectoral lymph nodes are a group of lymph nodes located in the upper chest region, specifically in the deltopectoral triangle. These nodes play a crucial role in the lymphatic system, which is responsible for the body's immune response and fluid balance.
Anatomy
The deltopectoral triangle is formed by the convergence of the deltoid muscle and the pectoralis major muscle. Within this triangle, several lymph nodes are present, collectively known as the deltopectoral lymph nodes. These nodes receive lymphatic drainage from various regions, including the upper limb, breast, and chest wall.
Function
The primary function of the deltopectoral lymph nodes is to filter and trap foreign substances, such as bacteria, viruses, and cancer cells, that may be present in the lymphatic fluid. This filtration process helps to prevent the spread of infections and malignancies to other parts of the body.
Additionally, the deltopectoral lymph nodes play a crucial role in the immune response. They contain specialized immune cells, such as lymphocytes, which are responsible for recognizing and eliminating harmful pathogens. These nodes also facilitate the production of antibodies, which are essential for the body's defense against infections.
Clinical Significance
The deltopectoral lymph nodes can be affected by various medical conditions, including infections, inflammation, and cancer. In cases of infection, such as cellulitis or lymphadenitis, the nodes may become swollen, tender, and painful. This is a result of the immune response to the invading pathogens.
In some instances, the deltopectoral lymph nodes may also be involved in the spread of cancer. Breast cancer, for example, can metastasize to these nodes, leading to their enlargement and potential involvement in the staging and treatment of the disease.
References
See Also
Deltopectoral lymph nodes
Lymph node regions
Deltopectoral lymph nodes
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