Apple core sign (colon)

Changed by Matt A. Morgan, 25 Mar 2017

Updates to Article Attributes

Body was changed:

The apple core sign, also known as a napkin ring sign (bowel), is most frequently associated with constriction of the lumen of the colon by a stenosing annular colorectal carcinoma.

Differential diagnosis

The appearance of the apple-core lesion of the colon also can be caused by other diseases 3:

See also

  • -<li><a href="/articles/napkin-ring-sign-1">napkin-ring sign (cardiac)</a></li>
  • +<li><a href="/articles/napkin-ring-sign-heart">napkin-ring sign (cardiac)</a></li>

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