Lymph nodes - not lymphoma
Infectious / parasitic disorders

Topic Completed: 1 July 2013

Revised: 1 February 2019, last major update July 2013

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

PubMed Search: Brucellosis [title] lymph nodes

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Cite this page: DePond W. Brucellosis. website. Accessed October 22nd, 2019.
Definition / general
  • Due to Brucella abortus, melitensis or suis
  • Either occupational or food related (milk and cheese)
  • Fever, hepatosplenomegaly, rarely lymphadenopathy
Case reports
  • 22 year old woman with Kikuchi-Fujimoto necrotizing lymphadenitis associated with brucellosis (Sangre (Barc) 1992;37:201)
  • 43 year old man with B. melitensis and subsequent Kikuchi-Fujimoto disease (In Vivo 2003;17:51)
  • Culture, PCR, serology
Microscopic (histologic) description
  • Follicular hyperplasia, clusters of epithelioid histiocytes that may form large noncaseating granulomas
  • Eosinophils, plasma cells, immunoblasts
Differential diagnosis
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