ulcerative colitis

stage

acute
- fine mucosal granularity
- "double tracking" = longitudinal submucosal ulcers
- "collar button" ulcers
- "thumbprinting" = symmetric thickening of colonic folds
- pseudopolyps = islands of edematous mucosa and granulation tissue
subacute
- inflammatory polyps (sessile)
- coarse granular mucosa
chronic
- "lead pipe" colon = rigidity + symmetrical narrowing of lumen
- "burnt-out colon" = distensible colon without haustral markings
- filiform polyposis = postinflammatory polyps (10-20%)

complications:

see:

More info: ulcerative colitis [OMIM]

Yong H. Hahn, MD - 24 November 1995
Last updated: 1 October 2013