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Inflammation of lymph nodes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



inflammation of the lymph nodes.

Lymphadenitis arises as a result of the entry with the lymph into the lymph nodes of pathogenic microorganisms and their toxins, products of tissue decomposition, or tiny foreign bodies. The condition is observed with acute and chronic local inflammatory processes (an infected wound, furuncle, ulcer, dental caries) and generalized infectious diseases and is manifested by enlargement and tenderness of the lymph nodes.

Depending on the causative agent and the character of the inflammation, lymphadenitis is classified as simple (catarrhal), purulent, hemorrhagic (for example, with anthrax), or hyper-plastic (with proliferation of the cellular elements of the node). It is classified as either acute or chronic, according to the course of the disease. Acute lymphadenitis begins with pain in the region of the affected nodes and enlargement of the nodes. With acute purulent lymphadenitis, the pain is severe. The nodes can barely move, surrounded by a painful infiltrate (a result of the involvement of surrounding tissues in the process, or periadenitis). The patient’s body temperature rises and his appetite is lost. The nodes may dissolve with the formation of an abscess. Without treatment, the pus either breaks through to the exterior or penetrates deeper, inflaming new tissues (adenophlegmon). Thrombophlebitis is possible.

Chronic lymphadenitis is characterized by enlargement, induration, and decreased mobility of the lymph nodes. Chronic nonspecific lymphadenitis develops under the influence of mild infection. Chronic specific lymphadenitis develops in connection with tuberculosis, syphilis, or other chronic infections.

Lymphadenitis is treated by eliminating the condition’s primary inflammatory focus or cause and by physical therapy, antibiotics, and novocaine blockade. Some cases require surgery.


The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Diagnosis of tuberculous lymphadenitis is established by histopathology examination along with acid-fast bacilli (AFB) smear and AFB culture of lymph node material obtained by FNAC, Excision biopsy.
It should be considered that in malign cases, tuberculous lymphadenitis may rarely be observed in the axillary region without any involvement in other organs, and it cannot be ruled out by radiological-metabolic evaluation.
Tuberculous lymphadenitis as a cause of persistent cervical lymphadenopathy in children from a tuberculosis-endemic area.
Zhang, "Posterior mediastinal tuberculous lymphadenitis with dysphagia as the main symptom: a case report and literature review," Journal of Thoracic Disease, vol.
It is essential to have awareness regarding common presentations of cervical tuberculous lymphadenitis among the general population as well as healthcare professionals working in the resource poor primary and secondary level hospitals.
This study aims to characterize the incidence of different types of lymphadenopathies, study various cytomorphological patterns in tuberculous lymphadenitis, and perform acid-fast staining in suspected cases of tuberculosis.
Polymerase chain reaction detection of Mycobacterium tuberculosis from fine-needle aspirate for the diagnosis of cervical tuberculous lymphadenitis. Laryngoscope.
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In India, tuberculous lymphadenitis accounts for 35% of cases (1).
Tuberculous lymphadenitis (LAD) is the most common form of extrapulmonary tuberculosis (TB), accounting for 30 - 52% of cases of peripheral lymphadenopathy in developing countries with a high TB incidence.