Which causes of constipation can be identified in an anorectal exam?

Updated: Mar 30, 2020
  • Author: Marc D Basson, MD, PhD, MBA, FACS; Chief Editor: BS Anand, MD  more...
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The anorectal examination should attempt to ascertain the cause of the constipation. Causes that may be defined include the following:

  • Anal fissure, particularly in children who retain their feces in order to avoid painful defecation

  • Anal stenosis

  • Partially obstructing rectal masses

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