Colon non tumor
Colitis (non-infectious)
Chronic radiation enterocolitis

Topic Completed: 1 May 2013

Revised: 9 November 2019

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

PubMed Search: chronic radiation enterocolitis[title]

Related topics: Radiation enterocolitis

Hanni Gulwani, M.B.B.S.
Page views in 2018: 469
Page views in 2019 to date: 455
Cite this page: Gulwani, H. Chronic radiation enterocolitis. website. Accessed November 15th, 2019.
Definition / general
  • May present as inflammatory colitis
  • Surgery should be avoided if possible because of its technical difficulty and the high incidence of postoperative complications such as anastomotic leak and fistula formation (Curr Gastroenterol Rep 2008;10:507)
Gross images

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Radiation exposed bowel

Microscopic (histologic) description
  • Atrophic mucosa, ectatic vessels in lamina propria, vascular injury (intimal fibroplasia, foamy macrophages and hyaline within vessel walls), ischemic fibrosis, stricture
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