Lead pipe bowel

Discussion:

This case demonstrates classical lead pipe appearance associated with chronic ulcerative colitis. The normal haustral pattern is to have the most haustra in the right colon with a decreasing amount as one moves distally. It may be normal to have relatively few haustra in the descending colon and sigmoid, and it is important not to overcall the lead-pipe appearance. However, when features are this clear cut, the diagnosis can be made with confidence. 

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