The lymphatic system is a network of vessels (channels), nodes (glands) and organs. It functions as part of the immune system to protect against and fight infection, inflammation, and cancers. It also functions in the transport of fluids, fats, proteins, and other substances within the body. The lymph glands, or lymph nodes, are small structures that filter the lymph fluid. There are many white blood cells in the lymph nodes to help fight infection. Lymphadenitis involves inflammation of the lymph glands. This may occur if the glands are overwhelmed by bacteria, virus, fungi, or other organisms and infection develops within the glands. It may also occur as a result of circulating cancer cells or other inflammatory conditions. The location of the affected gland(s) is usually associated with the site of the underlying infection, tumor, or inflammation. It commonly is a result of a cellulitis or other bacteria infection (usually infection by streptococci or staphylococci).
Causes of Lymphadenitis
Infections of the lymph nodes are caused by bacteria, viruses, fungi and other micro-organisms.
Signs and Symptoms of Lymphadenitis
Fever and chills are typical of lymphadenitis. Painful, swollen lymph nodes occur, most commonly in the groin, neck or armpit.
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Medical Content Last Updated on 07/12/2008
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