![]() With nonspecific lymphadenitis - depending on the location - there is hyperplasia of the lymph nodes in the neck, lower jaw or axillary lymph nodes. Hyperplasia of the lymph nodes (in the sense of an increase in their size) is a response to infection in diseases such as strepto- or staphylococci caused by lymphadenitis, rubella, chicken pox, infectious hepatitis, felinosis (cat scratch disease) tuberculosis, HIV, infectious mononucleosis, cytomegaly, tularemia, brucellosis, chlamydia, syphilis, actinomycosis, leptospirosis, toxoplasmosis. ,, ,, ,, ,, , Hyperplasia of lymph nodes of infectious etiology Proceeding from this, the hyperplasia of the lymph nodes can be infectious, reactive or of malignant origin. Moreover, the tissues of the lymph nodes can sprout beyond the capsule, and in the case of metastases from other organs, they are replaced by their malignant cells. This causes an increase in the size, a change in the shape and structure of the fibrous capsule of the lymph node. And in the case of oncology, lymph node hyperplasia can involve any of their cells in the pathological process of proliferation. For example, in response to genetically distinct cells (antigens) in the lymph node, the production of lymphocytes and mononuclear phagocytes (macrophages) increases when bacteria and microbes get into the lymph nodes, they accumulate the products of their vital activity and neutralized toxins. To date, the causes of hyperplasia of lymph nodes are considered as the reasons for their increase, which is the immune response to any pathological process that makes changes both in the dynamics of tissue metabolism of the lymph node, and in the ratio of certain cells. ![]() And if there is a focus of chronic inflammation in some body, clusters of cells of lymphoid tissue appear also there - in order to protect the body from the attacking infection.īut we are interested in regional lymph nodes that provide the production of lymphocytes and antibodies, the filtration of lymph and the regulation of its currents from the organs. ![]() ![]() This tissue is also present in the bone marrow, in the mucous membranes of the respiratory system, gastrointestinal tract and urinary tract. Characterizing the causes of lymph node hyperplasia, it is necessary to clarify that the lymphoid or lymphatic tissue (consisting of reticuloendothelial cells, T-lymphocytes, B-lymphocytes, lymphatic follicles, macrophages, dendrites, lymphoblasts, mast cells, etc.) is found not only in the parenchyma of the organs of the lymphatic system : regional lymph nodes, spleen, thymus, pharyngeal tonsils. ![]()
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