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Difference between revisions of "Colon"
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→Infectious: +infectious colitis
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(→Infectious: +infectious colitis) |
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=Infectious= | =Infectious= | ||
==Infectious colitis== | |||
:This section covers non-specific colitides that appear to have infective etiology. | |||
===General==== | |||
*Common. | |||
*Diarrhea - typical symptom. | |||
===Gross=== | |||
*+/-Erythema on endoscopy. | |||
===Microscopic=== | |||
Features: | |||
*Neutrophils predominant feature - '''key feature'''.<ref name=Ref_GLP324>{{Ref GLP|324}}</ref> | |||
*No architectural distortion - if acute. | |||
DDx: | |||
*[[Inflammatory bowel disease]] - lymphoplasmacytic infiltrate predominant,<ref name=Ref_GLP324>{{Ref GLP|324}}</ref> usually has chronic changes. | |||
*[[Ischemic colitis]]. | |||
*Medications. | |||
*Specific causes of infective colitis. | |||
===Sign out=== | |||
<pre> | |||
ASCENDING COLON, BIOPSY: | |||
- MILD ACTIVE COLITIS, SEE COMMENT. | |||
COMMENT: | |||
There is are no granulomas. The crypt architecture is normal. A benign lymphoid nodule is | |||
present. | |||
The differential diagnosis includes infective etiologies, early inflammatory | |||
bowel disease and ischemia. The histomorphology is more in keeping with an infective | |||
etiology as neutrophils are a predominant feature; however, clinical correlation is | |||
required. | |||
</pre> | |||
==Cytomegalovirus colitis== | ==Cytomegalovirus colitis== | ||
{{Main|CMV}} | {{Main|CMV}} | ||