Colon (tumor & nontumor)
Other nonneoplastic
Stercoral ulcer

Topic Completed: 1 May 2016

Revised: 9 January 2019, last major update May 2016

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

PubMed Search: Stercoral ulcer

Raul S. Gonzalez, M.D.
Page views in 2019: 2,054
Page views in 2020 to date: 1,113
Cite this page: Gonzalez R. Stercoral ulcer. website. Accessed August 6th, 2020.
Definition / general
  • Ulceration of colonic mucosa secondary to impacted feces
Essential features
  • Inspissated feces can cause rectosigmoid ulceration in elderly patients
  • May perforate and lead to death
  • Usually in rectosigmoid
  • Impacted feces stagnate, eventually eroding and ulcerating underlying mucosa
Clinical features
  • Proposed criteria for stercoral perforation: round/ovoid antimesenteric perforation > 1 cm, associated with fecaloma, showing necrosis/ulcer/chronic inflammation microscopically (Dis Colon Rectum 2000;43:991)
Case reports
Clinical images

Images hosted on other servers:

Stercoral ulcers on colonoscopy

Gross description
  • Sharply demarcated ulcer(s)
  • Perforation may be present
Microscopic (histologic) description
  • Colonic ulceration / perforation
  • Fecal material may or not may be observable microscopically
Microscopic (histologic) images

Images hosted on Pathout server:

Contributed by Raul S. Gonzalez, M.D., University of Rochester (USA)

Differential diagnosis
Additional references
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