Lymph nodes - not lymphoma
Infectious / parasitic disorders
Mycobacterium kansasii

Author: William D. DePond, M.D. (see Authors page)

Revised: 3 July 2018, last major update June 2006

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

PubMed Search: Mycobacterium kansasii lymph node

See also: Mycobacteria - atypical
Page views in 2018: 13
Page views in 2019 to date: 28
Cite this page: DePond, W.D. Mycobacterium kansasii. website. Accessed October 19th, 2019.
Definition / general
  • Associated with pulmonary infection in late stage AIDS with thoracic nodal involvement (Arch Pathol Lab Med 2003;127:554)
  • Gram stain: long, coarsely beaded, with frequently folded ends; often within histiocytes
  • Culture is slow
  • Often coinfection with several species, including M. avium intracellulare complex
Case reports
Microscopic (histologic) description
  • Granulomas with granular eosinophilic necrosis, neutrophilic abscesses, spindle cell proliferations
Microscopic (histologic) images

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Various images

Bacteria in vitro

Positive stains
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