Anus: Difference between revisions
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→Hemorrhoids: tweak |
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*Itching. | *Itching. | ||
*Prolapse. | *Prolapse. | ||
===Gross=== | |||
Features:<ref name=Ref_GLP401>{{Ref GLP|401}}</ref> | |||
*Grey mucosa. | |||
*Pale or purple stroma. | |||
===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=Ref_GLP401>{{Ref GLP|401}}</ref> | Features:<ref name=Ref_GLP401>{{Ref GLP|401}}</ref> | ||
*Polypoid lesion - epithelium on three sides: | *Polypoid lesion - epithelium on three sides: | ||
**Large dilated veins +/- fibrin thrombi. | **Large dilated veins and thick-walled vessels +/- fibrin thrombi - '''key feature'''. | ||
**Edema. | **Edema. | ||
**Squamous epithelium +/- keratinization ''or'' columnar epithelium. | **Squamous epithelium +/- keratinization ''or'' columnar epithelium. | ||
DDx: | |||
*[[Fibroepithelial polyp]]. | |||
*Vascular lesions. | |||
**[[Kaposi sarcoma]]. | |||
**[[Angiosarcoma]]. | |||
==See also== | ==See also== | ||