Anus and perianal area
Reviewer: Nat Pernick, M.D. (see Reviewers page)
Revised: 14 April 2013, last major update April 2005
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.
● 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
End of Anus and perianal area > Inflammatory diseases > Ulcerative colitis
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