Ulcerative colitis (virtual colonoscopy)

Case contributed by Dalia Ibrahim
Diagnosis almost certain


History withheld

Patient Data

Age: 35 years
Gender: Female

Loss of haustal pattern in the rectum, sigmoid and descending colon giving the "lead pipe sign"

Case Discussion

The patient had long history of ulcerative colitis.

Loss of haustral pattern of the colon indicates chronicity. 

Note that active stage of ulcerative colitis is contraindication for CT colonography.


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