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Difference between revisions of "Colon"
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→Lymphocytic colitis
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=====Lymphocytic colitis===== | =====Lymphocytic colitis===== | ||
The sections show colonic mucosa with abundant intraepithelial lymphocytes (>20 lymphocytes/100 surface epithelial cells). The glandular architecture is within normal limits. No thickened collagen band is apparent below the epithelium. | The sections show colonic mucosa with abundant intraepithelial lymphocytes (>20 lymphocytes/100 surface epithelial cells). The glandular architecture is within normal limits. No thickened collagen band is apparent below the epithelium. | ||
There are no granulomas. No neutrophilic cryptitis is apparent. The epithelium matures | |||
appropriately to the surface. | |||
=====Collagenous colitis===== | |||
The sections show colonic mucosa with abundant intraepithelial lymphocytes (>20 lymphocytes/100 surface epithelial cells). A prominent collagen band is apparent below the epithelium (>10 micrometres thick). The glandular architecture is within normal limits. | |||
There are no granulomas. No neutrophilic cryptitis is apparent. The epithelium matures | There are no granulomas. No neutrophilic cryptitis is apparent. The epithelium matures | ||