Lymph nodes - not lymphoma
Infectious / parasitic disorders

Topic Completed: 1 June 2006

Revised: 4 February 2019, last major update June 2006

Copyright: (c) 2003-2018,, Inc.

PubMed Search: Tularemia lymph nodes

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Cite this page: DePond W. Tularemia. website. Accessed March 31st, 2020.
Definition / general
Microscopic (histologic) description
  • Early: reactive changes
  • Second week: abscess with variable epithelioid cell reaction
  • Fourth week: caseous necrosis, diffuse lymphadenitis
  • Late: granulomatous reactions that may resemble TB
  • Often extracapsular inflammation (Arch Pathol Lab Med 1986;110:42)
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