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eosinophilic colitis

Friday 3 October 2003

Primary Colonic Eosinophilia

Definition: Eosinophilic colitis is an inflammatory condition characterized by infiltration of the colonic wall by eosinophils with submucosal oedema.

Involvement of caecum, appendix, ascending colon and the omentum by the inflammatory process could mimic a right iliac fossa neoplasm. Eosinophilic colitis is rare and could mimic a right iliac neoplasm if it is right-sided.

Etiology

 allergic colitis
 parasitic colitis

  • Enterobius vermicularis colitis
  • Strongyloides stercoralis colitis

 drug-induced eosinophilic colitis

 hypereosinophilic syndrome (3432177)
 idiopathic eosinophilic colitis

Associations

 allogeneic bone marrow transplantation (12894856)
 Tolosa-Hunt syndrome (12858845)

Variants

 neonatal eosinophilic colitis (7062205)

Differential diagnosis

 39% to 57% of eosinophilic granulocytes in Crohn’s disease (12812315)
 3.3% to 9% of eosinophilic granulocytes in ulcerative colitis (12812315)

Variants

 neonatal eosinophilic colitis

Associations

 perianal disease

Paywall Refrerences

 Primary Colonic Eosinophilia and Eosinophilic Colitis in Adults. Turner KO, Sinkre RA, Neumann WL, Genta RM. Am J Surg Pathol. 2016 Oct 27. PMID: 27792062

 Eosinophilic colitis presenting as a right iliac fossa mass—a case report. Badmos KB, Sabageh D, Ojo OS, Balogun OS. West Afr J Med. 2008 Jul;27(3):175-7. PMID: 19256325

 Persic M, Stimac T, Stimac D, Kovac D. Eosinophilic colitis: a rare entity. J Pediatr Gastroenterol Nutr 2001 Mar;32(3):325-6. PMID: 11345185