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Appendix

Lymphoid hyperplasia


Reviewer: Jaleh Mansouri, M.D., (see Reviewers page)
Revised: 16 October 2012, last major update August 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.

General
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● Normal appendix is rich in lymphoid tissue
● Hyperplasia may be associated with acute appendicitis (uncertain if cause or effect)

Gross description
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● May be present at entrance to cecum

Micro description
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● Marked swelling and thickening of mucosa and submucosa, with virtual luminal obliteration
● Older patients also have plasma cells and eosinophils

Micro images
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Due to adenovirus

End of Appendix > Lymphoid hyperplasia


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