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Lymph nodes - not lymphoma
Inflammatory disorders (non-infectious)
Inflammatory pseudotumor

Reviewer: William D. DePond, M.D. (see Reviewers page)
Revised: 28 July 2013, last major update June 2006
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

General
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Case reports
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Treatment
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Micro description
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Cytology description
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Micro images
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Contributed by Dr. Mark R. Wick

Inflammatory pseudotumor of lymph node


Tumor has hilar location in node

Spindle cells, plasma cells, lymphocytes and vascular proliferation

Interface between calcified tumor and lymph node

Hyalinized collagenous tissue with psammoma bodies and scattered spindle cells

A: perivascular fibrosis
B: perivascular hyalinization of small vessels
C: intravascular fibrin thrombi
D: transmural lymphocytic infiltrate in pericapsular vessel

Positive stains
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Negative stains
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Molecular description
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Differential diagnosis
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Additional references
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End of Lymph nodes - not lymphoma > Inflammatory disorders (non-infectious) > Inflammatory pseudotumor


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