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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.


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

Gross description

● May be present at entrance to cecum

Micro description

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

Micro images

Due to adenovirus

End of Appendix > Lymphoid hyperplasia

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