Adenitis classification

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Classification

• Cervical adenitis: It is an inflammation of a lymph node in the neck.

• Lymph adenitis: It is caused by bacterial infection in lymph nodes. The infected lymph nodes become enlarged, warm and tender. A swelling of lymph nodes due to growth of lymph cells is called lymphadenopathy.

• Mesenteric adenitis: It is an inflammation of the mesenteric lymph nodes in the abdomen. If it occurs in the right lower quadrant, it can be mistaken for acute appendicitis.

• Sebaceous adenitis: It is an inflammation of the sebaceous glands in the skin. These glands normally produce sebum (skin oil, a lipid-rich secretion) which prevents drying of the skin.

• Tuberculous adenitis (scrofula): It is a tuberculous infection of the skin of the neck, most often caused by mycobacteria (including M. tuberculosis) in adults. In children it is usually caused by Microbacterium scrofulaceum or Microbacterium avium.