Comb sign in Crohn's disease

Case contributed by Dr Mohammad Taghi Niknejad


Abdominal pain in a known patient with Crohn's disease.

Patient Data

Age: 65 years
Gender: Male

There is a long segment of distal small bowel thickening along with engorgement of the adjacent mesenteric vessels and mild fat stranding inferring comb sign.
A few small cysts are seen at the liver less than 5 mm. 
A little amount of free fluid is present in the pelvis.
Degenerative changes as osteophytosis are seen at the lumbar spine. 

Case Discussion

Features are compatible with comb sign that refers to the hypervascular appearance of the mesentery in active Crohn disease.

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Case information

rID: 83959
Published: 9th Nov 2020
Last edited: 15th Dec 2020
Inclusion in quiz mode: Included
Institution: Tabesh medical imaging center

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