Lead pipe sign – describes the rigid and featureless appearance…

Lead pipe sign – describes the rigid and featureless appearance of the colon in chronic ulcerative colitis. The sign is due to a complete loss of haustral markings and usually a degree of uniform luminal narrowing due to chronic bowel wall thickening. It is classically described on barium enema studies however it is also often seen with CT, MRI and plain radiography. 

CLEUDO summary: ULCERATIVE COLITIS in the COLON with the LEAD PIPE 

from our tumblr blog

http://radiologysigns.tumblr.com/

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