Apple core sign (colon)
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:
- lymphoma with colonic involvement - appears more diffuse
- Crohn’s disease
- chronic ulcerative colitis
- ischaemic colitis
- Chlamydia infection
- colonic tuberculosis
- Helminthoma
- colonic amoebiasis
- colonic cytomegalovirus
- villous adenoma
- radiosurgery such as high doses of Cyberknife used for treating unresectable abdominal malignancies
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>