Small bowel (small intestine)
Lymphoma
Mantle cell lymphoma


Topic Completed: 1 August 2012

Revised: 15 March 2019

Copyright: 2003-2019, PathologyOutlines.com, Inc.

PubMed Search: Mantle cell lymphoma small bowel

Hanni Gulwani, M.B.B.S.
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Cite this page: Gulwani H. Mantle cell lymphoma. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/smallbowelmcl.html. Accessed September 23rd, 2019.
Definition / general
Clinical features
  • 88% males, mean age 61 years
  • Weight loss, fatigue, diarrhea, abdominal pain, often iron deficiency
  • Mean survival less than 3 years
  • May begin as single lesion or with disseminated multiple mucosal involvement (Mod Pathol 2001;14:811)
Case reports
Gross description
  • Nodular, sessile or polypoid lesions, widely spaced with confluent studded or cobblestone appearance
  • Each polyp 2 mm to 2 cm
  • May be dominant tumor mass in ileocecum
Microscopic (histologic) description
  • Infiltrative mantle cells (small lymphocytes with cleaved irregular nuclei) with invasion of submucosa, sparing of mucosa
  • Epithelial invasion and ulceration occurs late in disease
  • Secondary intestinal dissemination by lymph node based mantle cell lymphoma is exceedingly common; has a lymphomatous polyposis pattern with involvement of colon (Am J Surg Pathol 1996;20:442)
Microscopic (histologic) images

Images hosted on other servers:

Tumor of terminal ileum / colon (figs 2, 3)

Positive stains
Negative stains
Differential diagnosis
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