Inflammation of the lymph nodes. A secondary disease that occurs in connection with the presence of an inflammatory process in a particular area of the body. Very rarely observed primary purulent inflammation of the lymph nodes. Caused by streptococci and other pathogenic microbes, but more often the flora is mixed. Lymphadenitis occurs when microorganisms, their toxins, and tissue breakdown products with lymph from the primary focus are introduced into the lymph nodes. Microbes can penetrate through damaged skin, mucous membrane, hematogenously.
There are serous, purulent and productive inflammation of the lymph nodes. With the spread of the process to surrounding tissues, periadenitis develops, which is characterized by immobility of the inflamed nodes. The course of lymphadenitis is acute or chronic.
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