Difference between revisions of "Foveolar type dysplasia"

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DDx:
DDx:
*Benign foveolar epithelium.
*Benign foveolar epithelium - seen in stomach and [[ampulla of Vater]].
*[[Gastric heterotopia]].
*[[Hyperplastic polyp]].
*[[Hyperplastic polyp]].


Revision as of 07:01, 15 February 2015

Foveolar type dysplasia
Diagnosis in short

Foveolar dysplasia of the duodenum. H&E stain.
Synonyms type 2 dysplasia, foveolar dysplasia, foveolar/hyperplastic dysplasia
LM DDx benign foveolar epithelium, gastric heterotopia (if not stomach), benign ampullary epithelium, hyperplastic polyp
Site stomach, duodenum (esp. ampulla of Vater), esophagus
Syndromes familial adenomatous polyposis
Prevalence not common
Other may be subtle

Foveolar type dysplasia, also foveolar dysplasia, is a form of dysplasia that arises from the foveolar cells, typically seen in the stomach. It is may be subtle to unaccustomed eyes.

It is also described as non-adenomatous dysplasia, type 2 dysplasia and foveolar/hyperplastic type dysplasia.[1]

General

Microscopic

Features:

  • Tall columnar cells with basal nuclei in a villiform architecture.[1]

DDx:

Images

  • FD - intermed. mag.

  • FD - high mag.

www:

See also

References

  1. ↑ 1.0 1.1 1.2 Brown, IS.; Whiteman, DC.; Lauwers, GY. (Jun 2010). "Foveolar type dysplasia in Barrett esophagus.". Mod Pathol 23 (6): 834-43. doi:10.1038/modpathol.2010.59. PMID 20228780.
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