Colitis

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Colitis, plural colitides, is an inflammatory process that involves the colon.

Micrograph showing cryptitis - the histologic finding of an acute colitis. H&E stain.

Proctitis and cecitis redirect to this article, as the mucosa of the rectum and cecum are very similar to that of the colon.

Type of colitis

Infectious:

Idiopathic:

Iatrogenic:

Ischemic:

Miscellaneous:

Grading colitis

"A grading scheme":†

Histologic finding Grade
Mild cryptitis
Moderate crypt abscesses
Severe erosions

† Adapted from Kirsch.[1]

Images

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Rectum, Biopsy:
     - Mild active proctitis with minimal architectural changes.
     - NEGATIVE for dysplasia.

Comment:
The biopsy is NEGATIVE for granulomas. The inflammation in nonspecific; it could be due to infection, inflammatory bowel disease, ischemia, or therapy/drugs.  Clinical correlation is required.

See also

  1. Kirsch, R. 13 December 2010.