Appendix
General
Lymphoid hyperplasia


Topic Completed: 1 August 2012

Revised: 20 August 2019

Copyright: (c) 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Lymphoid hyperplasia appendix

Page views in 2018: 1,976
Page views in 2019 to date: 1,673
Cite this page: Mansouri J. Lymphoid hyperplasia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/appendixlymphoidhyperplasia.html. Accessed October 19th, 2019.
Definition / general
  • 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
Microscopic (histologic) description
  • Marked swelling and thickening of mucosa and submucosa, with virtual luminal obliteration
  • Older patients also have plasma cells and eosinophils
Back to top