Adenitis is a general term for an inflammation of a gland.
Classification
Lymph node adenitis
Lymph adenitis or
lymph node adenitis is caused by infection in lymph nodes. The infected lymph nodes typically become enlarged, warm and tender. A swelling of lymph nodes due to growth of lymph cells is called
lymphadenopathy. Types include:
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Neck
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Cervical adenitis is an inflammation of a lymph node in the neck.
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Tuberculous adenitis (scrofula) is a tuberculous infection of the skin of the neck caused by Mycobacterium tuberculosis. Non-tuberculous adenitis can also be caused by Mycobacterium scrofulaceum or Mycobacterium avium.
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Abdomen
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Mesenteric adenitis is an inflammation of the mesentery lymph nodes in the abdomen. It can be caused by the bacterium Yersinia enterocolitica.
[Ellis H, Calne R, Watson C. Lecture Notes on General Surgery tenth edition, p. 28. ] If it occurs in the right lower quadrant, it can be mistaken for acute appendicitis, often preceded by a sore throat. Clinical manifestations may include fever, right lower quadrant abdominal pain, nausea, and vomiting. Most often occurs in children age 5–14.
Other
Sebaceous adenitis is an inflammation of the
in the skin. These glands normally produce
sebum (skin oil, a lipid-rich secretion) which prevents drying of the skin.
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