Apple core sign in colon cancer

Case contributed by Dr Ayaz Hidayatov


Middle aged male with epigastric pain

Patient Data

Age: 50 years
Gender: Male

Axial CT shows irregular concentric wall thickening with luminal narrowing of the mid transverse colon.

Annotated image

Red arrows indicate the apple core lesion.


Apple core

Case Discussion

Apple core sign: the appearance of an annular carcinoma of the bowel, usually the colon, due to bowel wall thickening with resultant circumferential constriction of the lumen.

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Case information

rID: 53421
Published: 19th May 2017
Last edited: 22nd Dec 2019
Inclusion in quiz mode: Excluded

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