Thumbprinting: colitis

Case contributed by Dr Henry Knipe


Bloody diarrhoea and abdominal pain with nausea and vomiting.

Patient Data

Age: 65 years
Gender: Female

Thumbprinting is evident in the sigmoid colon. 


There is marked mural thickening of the distal transverse colon, descending colon, sigmoid colon and rectum with mild pericolonic fat stranding. No pneumatosis, portal venous gas or free intra-abdominal gas. No significant free fluid. The SMA, IMA and SMV opacify normally.

Case Discussion

Thumbprinting is a plain radiographic sign of colitis. 

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Case information

rID: 35376
Published: 4th Apr 2015
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included

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