Difference between revisions of "Hyperplastic polyp of the stomach"

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#redirect [[Stomach#Hyperplastic_polyp_of_the_stomach]]
'''Hyperplastic polyp of the stomach''', also '''gastric hyperplastic polyp''', is a common pathology of the [[stomach]]. Hyperplastic polyps more generally are dealt with in the ''[[hyperplastic polyp]]'' article.


==General==
*Benign.
*Most common gastric polyp.<ref name=pmid19037727/>
==Gross==
*Polypoid mass.
==Microscopic==
Features:<ref>URL: [http://pathologyoutlines.com/stomach.html#hyperplastic http://pathologyoutlines.com/stomach.html#hyperplastic]. Accessed on: 26 July 2011.</ref>
*Abundant foveolar cells and elongated glands - '''key feature'''.
*+/-Gland dilation.
Negatives:
*No atypical nuclei.
*No hyperchromasia.
*No loss of pseudostratification.
Notes:
*No serrations - as in the colon.
DDx:
*[[Ménétrier's disease]]<ref name=pmid18384215>{{Cite journal  | last1 = Park | first1 = do Y. | last2 = Lauwers | first2 = GY. | title = Gastric polyps: classification and management. | journal = Arch Pathol Lab Med | volume = 132 | issue = 4 | pages = 633-40 | month = Apr | year = 2008 | doi = 10.1043/1543-2165(2008)132[633:GPCAM]2.0.CO;2 | PMID = 18384215 | url=http://www.archivesofpathology.org/doi/full/10.1043/1543-2165(2008)132%5B633:GPCAM%5D2.0.CO;2 }}</ref> (hyperplastic hypersecretory gastropathy).
*[[Juvenile polyp]]<ref name=pmid19037727>{{Cite journal  | last1 = Jain | first1 = R. | last2 = Chetty | first2 = R. | title = Gastric hyperplastic polyps: a review. | journal = Dig Dis Sci | volume = 54 | issue = 9 | pages = 1839-46 | month = Sep | year = 2009 | doi = 10.1007/s10620-008-0572-8 | PMID = 19037727 }}</ref> - abundant lamina propria, dilated glands may have neutrophils.<ref name=Ref_GLP102>{{Ref GLP|102}}</ref>
*[[Peutz-Jeghers polyp]] - thick superficial muscle.
*[[Fundic gland polyp]] - doesn't have foveolar hyperplasia.
===Images===
<gallery>
Image: Gastric_hyperplastic_polyp_%281%29_foveolar_type.jpg | Gastric hyperplastic polyp - low mag. (WC/KGH)
Image: Gastric_hyperplastic_polyp_%283%29_foveolar_type.jpg | Gastric hyperplastic polyp - high mag. (WC/KGH)
</gallery>
www:
*[http://www.flickr.com/photos/jian-hua_qiao_md/3953137621/ Gastric hyperplastic polyp (flickr.com)].
*[http://www.flickr.com/photos/jian-hua_qiao_md/3953138195/in/photostream/ Gastric hyperplastic polyp (flickr.com)].
==Sign out==
<pre>
POLYP, STOMACH (ANTRUM), EXCISION:
- HYPERPLASTIC POLYP.
</pre>
===Micro===
The sections show antral-type gastric mucosa with hyperplastic gastric pits.  No gland dilation is apparent. The epithelium matures to the surface. The lamina propria is not expanded.
Focal neutrophilic inflammation is present. No Helicobacter-like organisms are identified. No intestinal metaplasia is present. No mitotic activity or nuclear atypia is apparent.
==See also==
*[[Hyperplastic polyp]] of the colon and rectum.
*[[Stomach]].
*[[Ménétrier's disease]].
==References==
{{Reflist|2}}
[[Category:Stomach]]
[[Category:Diagnosis]]
[[Category:Diagnosis]]
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