Anus and perianal area
Inflammatory diseases
Ulcerative colitis

Author: Nat Pernick, M.D. (see Authors page)

Revised: 28 September 2017, last major update April 2005

Copyright: (c) 2002-2017,, Inc.

PubMed Search: Anus perianal ulcerative colitis

Table of Contents
Definition / general
Cite this page: Pernick, N. Ulcerative colitis. website. Accessed July 17th, 2018.
Definition / general
  • 10% of cases have anal lesions, including midline dorsal fissures, skin excoriation, perianal or ischiorectal abscess, rectovaginal fistula
  • Often involvement of glandular epithelium or hyperplastic changes of transitional mucosa