What are the lymph nodes filled with?

Lymphadenitis is the medical term for enlargement in one or more lymph nodes, usually due to infection. Lymph nodes are filled with white blood cells that help your body fight infections. When lymph nodes become infected, it's usually because an infection started somewhere else in your body.

Herein, what is a reactive lymph node in armpit?

Chances are this is not a serious condition, and here's why: Lymph nodes in the armpits are often "reactive" and enlarge as they work to drain infection from the arms or upper chest. If your lymph nodes are painful or tender to the touch, this is usually a good sign that they are just doing their job.

Can lymph nodes turn into cancer?

Some cancers can cause swelling of the lymph nodes. Cancer may start in the lymph nodes or, more commonly, it spreads there from somewhere else. Pain or swelling in the area of the lymph nodes is a common symptom of cancer that starts in the lymphatic system, such as non-Hodgkin lymphoma and Hodgkin lymphoma.

What is reactive lymph node hyperplasia?

Lymphoid reactive hyperplasia is just the normal response of the lymph nodes to some antigenic stimulus, such as infection or inflammation. Generalized lymphadenopathy due to reactive hyperplasia can occur with a variety of diseases, such as skin disease and various tick-borne diseases, among many others.

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