What causes increased lymph nodes in lymphadenitis?

Updated: Feb 12, 2019
  • Author: Elizabeth Partridge, MD, MPH, MS; Chief Editor: Russell W Steele, MD  more...
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Increased lymph node size may be caused by the following:

  • Multiplication of cells within the node, including lymphocytes, plasma cells, monocytes, or histiocytes

  • Infiltration of cells from outside the node, such as malignant cells or neutrophils

  • Draining of an infection (eg, abscess) into local lymph nodes

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