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)
● May be present at entrance to cecum
● Marked swelling and thickening of mucosa and submucosa, with virtual luminal obliteration
● Older patients also have plasma cells and eosinophils
Due to adenovirus
End of Appendix > Lymphoid hyperplasia
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