Small bowel (small intestine)
Benign tumors and tumor-like conditions
Lymphoid hyperplasia

Author: Hanni Gulwani, M.D. (see Authors page)

Revised: 20 February 2018, last major update August 2012

Copyright: (c) 2003-2018, PathologyOutlines.com, Inc.

PubMed Search: Lymphoid hyperplasia[TI] small bowel

Cite this page: Gulwani, H. Lymphoid hyperplasia. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/smallbowellymphoidhyperplasia.html. Accessed July 18th, 2018.
Definition / general
  • Also called lymphoid polyp; formerly called pseudolymphoma
  • Most common site is ileocecal region
  • Causes intussusception in children
  • Nodular lymphoid hyperplasia: nodules throughout bowel, associated with giardiasis or childhood viral infection
Case reports
Gross images

Images hosted on other servers:

Terminal ileum exhibiting
shows mucosal ulcers
due to nodular lymphoid
hyperplasia

Microscopic (histologic) description
  • Numerous lymphoid follicles with germinal centers in lamina propria or submucosa
Microscopic (histologic) images

Images hosted on other servers:

Various images

Positive stains
Differential diagnosis
  • Low grade lymphoma: often infiltrative, light chain restriction