Difference between revisions of "Foveolar type dysplasia"
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{{ Infobox diagnosis | |||
| Name = {{PAGENAME}} | |||
| Image = Periampullary foveolar type dysplasia -- intermed mag.jpg | |||
| Width = | |||
| Caption = Foveolar dysplasia of the duodenum. [[H&E stain]]. | |||
| Synonyms = type 2 dysplasia, foveolar dysplasia, foveolar/hyperplastic dysplasia | |||
| Micro = | |||
| Subtypes = | |||
| LMDDx = benign foveolar epithelium, [[gastric heterotopia]] (if not stomach), benign ampullary epithelium, [[hyperplastic polyp]] | |||
| Stains = | |||
| IHC = | |||
| EM = | |||
| Molecular = | |||
| IF = | |||
| Gross = | |||
| Grossing = | |||
| Site = [[stomach]], [[duodenum]] (esp. [[ampulla of Vator]]), [[esophagus]] | |||
| Assdx = | |||
| Syndromes = [[familial adenomatous polyposis]] | |||
| Clinicalhx = | |||
| Signs = | |||
| Symptoms = | |||
| Prevalence = not common | |||
| Bloodwork = | |||
| Rads = | |||
| Endoscopy = | |||
| Prognosis = | |||
| Other = may be subtle | |||
| ClinDDx = | |||
| Tx = | |||
}} | |||
'''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. | '''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. | ||
Revision as of 06:55, 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 Vator), 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
- Precursor to adenocarcinoma.
Microscopic
Features:
- Tall columnar cells with basal nuclei in a villiform architecture.[1]
DDx:
- Benign foveolar epithelium.
- Hyperplastic polyp.
Images
FD - intermed. mag.
FD - high mag.
www: