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Lymph nodes - not lymphoma
Infectious/parasitic disorders
Mycobacteria-atypical / other than TB or leprosy

Reviewer: William D. DePond, M.D. (see Reviewers page)
Revised: 3 July 2013, last major update June 2006
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

See subtype below: Mycobacterium kansasii

General
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Case reports
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Diagnosis
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Treatment
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Gross images
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Central caseation in node involved by M. avium intracellulare

Cervical node involved by M. chelonei

Micro description
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Micro images
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M. avium-intracellulare:

Central necrosis and Langhans giant cells / inset-Ziehl-Neelsen stain shows irregular rods

Ziehl-Neelsen stain shows macrophages stuffed with acid fast bacilli

Axillary node aspirate in HIV+ infant


M. chelonei:

Caseous granuloma

Virtual slides
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Mycobacterium avium-intracellulare

Positive stains
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Additional references
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Mycobacterium kansasii

General
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Diagnosis
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Case reports
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Micro description
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Micro images
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Various images #1

#2

#3 (from above case report)


Bacteria in vitro #1

#2

#3

Positive stains
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Additional references
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End of Lymph nodes - not lymphoma > Infectious/parasitic disorders > Mycobacteria-atypical / other than TB or leprosy


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