Small bowel (small intestine)
Waldenström macroglobulinemia

Topic Completed: 1 August 2012

Revised: 15 March 2019

Copyright: 2003-2019,, Inc.

PubMed Search: Waldenström macroglobulinemia small bowel

Hanni Gulwani, M.B.B.S.
Page views in 2018: 186
Page views in 2019 to date: 250
Cite this page: Gulwani H. Waldenström macroglobulinemia. website. Accessed December 10th, 2019.
Definition / general
  • Rare but distinctive involvement of small bowel
Gross description
  • Small white nodules, variably distended serosal lymphatics
  • Mucosa is white, nodular or granular
Microscopic (histologic) description
  • Marked mucosal and submucosal lymphangiectasia and short, broad villi (Medicine (Baltimore) 2007;86:210)
  • Coarse eosinophilic material (macroglobulin) in lymphatics, macrophages, lamina propria
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