Difference between revisions of "Stomach"

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Stomach (view source)

Revision as of 11:30, 3 April 2013

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==Adenomatous polyps==
==Adenomatous polyps==
===General===
Common subclassification:<ref>URL: [http://surgpathcriteria.stanford.edu/gitumors/gastric-adenoma/printable.html http://surgpathcriteria.stanford.edu/gitumors/gastric-adenoma/printable.html]. Accessed on: 18 December 2012.</ref>
*Intestinal: goblet cells or Paneth cells.
*Gastric: foveolar epithelium.
Foveolar:
*Associated with [[familial adenomatous polyposis]] (FAP).
Intestinal:
*Not associated with FAP.
Note:
*These polyps can be grouped various ways.<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>


===Microscopic===
===Microscopic===
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*[http://www.archivesofpathology.org/doi/pdf/10.1043/1543-2165%282008%29132%5B633%3AGPCAM%5D2.0.CO%3B2 Gastric polyps - several images (achivesofpathology.org)].
*[http://www.archivesofpathology.org/doi/pdf/10.1043/1543-2165%282008%29132%5B633%3AGPCAM%5D2.0.CO%3B2 Gastric polyps - several images (achivesofpathology.org)].


==Gastric columnar dysplasia==
==Gastric dysplasia==
*[[AKA]] ''gastric dysplasia''.
:''Gastric adenoma'' directs here.
*[[AKA]] ''gastric columnar dysplasia''.
===General===
===General===
*Criteria similar to columnar dysplasia in the [[esophagus]].
*Lesions that protrude into the lumen ''and'' are discrete macroscopically are known as: ''adenomas''.:<ref name=pmid10680883>{{Cite journal  | last1 = Rugge | first1 = M. | last2 = Correa | first2 = P. | last3 = Dixon | first3 = MF. | last4 = Hattori | first4 = T. | last5 = Leandro | first5 = G. | last6 = Lewin | first6 = K. | last7 = Riddell | first7 = RH. | last8 = Sipponen | first8 = P. | last9 = Watanabe | first9 = H. | title = Gastric dysplasia: the Padova international classification. | journal = Am J Surg Pathol | volume = 24 | issue = 2 | pages = 167-76 | month = Feb | year = 2000 | doi =  | PMID = 10680883 }}</ref>
**The threshold is much lower than in the colon and rectum.
*Polypoid forms are grouped various ways.<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>


Divided into:
====Grading====
Like in the colon - they are divided into:
*Low grade.  
*Low grade.  
*High grade.  
*High grade.  
====Subclassification====
One subclassification:<ref>URL: [http://surgpathcriteria.stanford.edu/gitumors/gastric-adenoma/printable.html http://surgpathcriteria.stanford.edu/gitumors/gastric-adenoma/printable.html]. Accessed on: 18 December 2012.</ref>
*Intestinal: goblet cells or Paneth cells.
**Not associated with FAP.
*Gastric: foveolar epithelium.
**Associated with [[familial adenomatous polyposis]] (FAP).


===Microscopic===
===Microscopic===
*Histologic criteria similar to columnar dysplasia in the [[esophagus]].
**The threshold is much lower than in the colon and rectum.


====Low-grade gastric columnar dysplasia====
====Low-grade gastric columnar dysplasia====
Michael
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