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Hyperplastic polyp of the stomach (view source)
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'''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]] | ||