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Difference between revisions of "Collagenous colitis"
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Collagenous_colitis_-_high_mag.jpg | |||
| Width = | |||
| Caption = Collagenous colitis. [[H&E stain]]. | |||
| Micro = intraepithelial lymphocytes (>20/100 enterocytes), subepithelial collagen band (>= 10 micrometres thick) | |||
| Subtypes = | |||
| LMDDx = [[lymphocytic colitis]] | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = | |||
| Grossing = | |||
| Site = [[colon]] - typically more prominent proximally | |||
| Assdx = | |||
| Syndromes = | |||
| Clinicalhx = | |||
| Signs = | |||
| Symptoms = diarrhea | |||
| Prevalence = | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = normal | |||
| Prognosis = | |||
| Other = | |||
| ClinDDx = [[irritable bowel syndrome]], [[lymphocytic colitis]] | |||
}} | |||
'''Collagenous colitis''' is a type of [[microscopic colitis]]. It has a characteristic clinical presentation and no apparent endoscopic changes. | '''Collagenous colitis''' is a type of [[microscopic colitis]]. It has a characteristic clinical presentation and no apparent endoscopic changes. | ||
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**No crypt distortion. | **No crypt distortion. | ||
*Thickened collagen band uncommon in rectum.<ref name=pmid1740280>{{Cite journal | last1 = Tanaka | first1 = M. | last2 = Mazzoleni | first2 = G. | last3 = Riddell | first3 = RH. | title = Distribution of collagenous colitis: utility of flexible sigmoidoscopy. | journal = Gut | volume = 33 | issue = 1 | pages = 65-70 | month = Jan | year = 1992 | doi = | PMID = 1740280 }}</ref> | *Thickened collagen band uncommon in rectum.<ref name=pmid1740280>{{Cite journal | last1 = Tanaka | first1 = M. | last2 = Mazzoleni | first2 = G. | last3 = Riddell | first3 = RH. | title = Distribution of collagenous colitis: utility of flexible sigmoidoscopy. | journal = Gut | volume = 33 | issue = 1 | pages = 65-70 | month = Jan | year = 1992 | doi = | PMID = 1740280 }}</ref> | ||
DDx: | |||
*[[Lymphocytic colitis]]. | |||
===Images=== | ===Images=== | ||