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Lymph nodes - not lymphoma
Inflammatory disorders (non-infectious)
Follicular hyperplasia

Reviewer: William D. DePond, M.D. (see Reviewers page)
Revised: 27 July 2013, last major update June 2006
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

General
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Gross description
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Micro description
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Micro images
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Various images


Tingible body macrophages

Cortical and paracortical hyperplasia - contributed by Dr. Mark R. Wick

Reactive follicular hyperplasia

Hyperplastic lymphoid follicle contrasted with neoplastic follicles

Cellular composition of hyperplastic follicle


Hyperplastic follicle contrasted with neoplastic follicle

Immunostaining bcl-2 protein

Reactive follicular hyperplasia contrasted with follicular lymphoma

Reactive follicular hyperplasia with monocytoid b-cell reaction


Florid reactive follicular hyperplasia with deficient mantles

AIDS-related lymphadenopathy with florid follicular hyperplasia

Nonspecific paracortical hyperplasia

Plasmacytoid monocytes in in reactive lymph node

Follicular hyperplasia with follicle lysis in HIV infection

Diagrams
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Various patterns

Cytology description
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Virtual slides
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Follicular hyperplasia #1 (acute lymphadenitis)

#2 (florid but benign)

Negative stains
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Molecular description
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Differential diagnosis
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End of Lymph nodes - not lymphoma > Inflammatory disorders (non-infectious) > Follicular hyperplasia


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