Comb sign – seen in active Crohn’s disease. It describes…

Comb sign – seen in active Crohn’s disease. It describes prominent mesenteric vessels extending towards inflamed segments of small bowel like the teeth of a comb. The appearance is due to a combination of vascular distension and mesenteric fibrofatty proliferation. It can be seen on both CT and MRI.

from our tumblr blog

http://radiologysigns.tumblr.com/

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