Mycobacterium avium-intracellulare complex

Author: Elliot Weisenberg, M.D. (see Authors page)

Revised: 2 December 2016, last major update August 2012

Copyright: (c) 2003-2016,, Inc.

PubMed Search: mycobacterium avium-intracellulare complex
Cite this page: Mycobacterium avium-intracellulare complex. website. Accessed November 14th, 2018.
Definition / general
  • Organism ubiqitous in soil, water, dust
  • Infection usually in setting of AIDS with disseminated disease
Microscopic (histologic) description
  • Lamina propria filled with monotonous infiltrate of foamy histiocytes, no granulomas
Microscopic (histologic) images

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Various images

Positive stains
  • Ziehl-Neelson, modified Fite stain, other acid fast bacilli stains