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Generalized lymphadenopathy is swollen lymph glands in many areas of the body. [ 1 ] Usually this is in response to a body-wide infectious disease such as influenza and will go away once the person has recovered, but sometimes it can persist long-term, even when there is no obvious cause of disease.
Children often have generalized lymphadenopathy of the head and neck, or even PGL, without the finding of a sinister cause. At puberty this usually disappears. The immune system of some people may be sensitized by exposure to a living exogenous irritant such as a bacterial or viral infection , which then results in PGL after the organism has ...
Localized lymphadenopathy: due to localized spot of infection; e.g., an infected spot on the scalp will cause lymph nodes in the neck on that same side to swell up; Inflammatory localized lymphadenopathy at right mandibular angle. Generalized lymphadenopathy: due to a systemic infection of the body; e.g., influenza or secondary syphilis
Lymphadenitis is an infection of the lymph nodes usually caused by a virus, bacteria or fungi. Symptoms include redness or swelling around the lymph node. [citation needed] Lymphangitis. Lymphangitis is an inflammation of the lymph vessels. Symptoms usually include swelling, redness, warmth, pain or red streaking around the affected area.
Follicular hyperplasia (FH) is a type of lymphoid hyperplasia and is classified as a lymphadenopathy, which means a disease of the lymph nodes. It is caused by a stimulation of the B cell compartment and by abnormal cell growth of secondary follicles .
The signs and symptoms of Kikuchi disease are fever, enlargement of the lymph nodes (lymphadenopathy), skin rashes, and headache. [7] In sixty to ninety percent of cases, lymphadenopathy presents in the posterior cervical lymph nodes with diameter enlargement typically being between one and two centimeters, but up to seven centimeters has been reported in literature.
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The exact cause of UCD is unknown, [2] but appears to be due to a genetic change that occurs in the lymph node tissue, most similar to a benign tumor. In about half cases of UCD, individuals exhibit no symptoms (asymptomatic). Sometimes symptoms stem are secondary to compression of surrounding structures by rapidly enlarging lymph nodes.