Hyperplastic polyp: Difference between revisions

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Mikael Häggström (talk | contribs)
Mikael Häggström (talk | contribs)
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*Mature mucinous cells at the base of crypts
*Mature mucinous cells at the base of crypts


;Tubular [[colorectal adenoma]]
;[[Tubular colorectal adenoma]]
[[File:Tubular adenoma with low-grade dysplasia.jpg|thumb|Tubular adenoma with low-grade dysplasia.]]
[[File:Tubular adenoma with low-grade dysplasia.jpg|thumb|Tubular adenoma with low-grade dysplasia.]]
{|class="wikitable"
{|class="wikitable"
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| No dysplasia || Dysplasia
| No dysplasia || Dysplasia
|-
|-
| Proliferative zone restricted to base|| Proliferative zone starting at the surface
| Proliferative epithelium restricted to base|| Proliferative epithelium present at the surface
|-
|-
| Gland lining cells mature at the surface || No surface maturation
| Gland lining cells mature at the surface || No surface maturation
|}
|}
<gallery mode=packed heights=220>
<gallery mode=packed heights=220>
File:Normal versus dysplastic colonic crypts.jpg|Normal (left) versus dysplastic (large at right) colonic crypts, the latter conferring a diagnosis of a tubular adenoma.
File:Non-proliferative versus proliferative colonic crypts.jpg|Non-proliferative (left) versus proliferative (large at right) colonic crypts, where the latter's proximity to the surface confers a diagnosis of a tubular adenoma.
</gallery>
</gallery>
{{Evaluation of tumors}}
{{Evaluation of tumors}}
{{Bottom}}
{{Bottom}}