Difference between revisions of "Gastric heterotopia of the duodenum"

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| Micro      = foveolar epithelium, gastric glands (body-type or antral-type), small bowel mucosa +/-Brunner's glands
| Micro      = foveolar epithelium, gastric glands (body-type or antral-type), small bowel mucosa +/-Brunner's glands
| Subtypes  =
| Subtypes  =
| LMDDx      = foveolar metaplasia (isolated) - see [[chronic duodenitis]], foveolar gastric-type dysplasia, [[intestinal metaplasia of the stomach]]
| LMDDx      = foveolar metaplasia of the duodenum, foveolar gastric-type dysplasia, [[intestinal metaplasia of the stomach]]
| Stains    =
| Stains    =
| IHC        =
| IHC        =
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==General==
==General==
*Common ~15% of cases in one series.<ref name=pmid22295146>{{Cite journal  | last1 = Terada | first1 = T. | title = Pathologic observations of the duodenum in 615 consecutive duodenal specimens: I. benign lesions. | journal = Int J Clin Exp Pathol | volume = 5 | issue = 1 | pages = 46-51 | month =  | year = 2012 | doi =  | PMID = 22295146 }}</ref>
*Common ~15% of cases in one series.<ref name=pmid22295146>{{Cite journal  | last1 = Terada | first1 = T. | title = Pathologic observations of the duodenum in 615 consecutive duodenal specimens: I. benign lesions. | journal = Int J Clin Exp Pathol | volume = 5 | issue = 1 | pages = 46-51 | month =  | year = 2012 | doi =  | PMID = 22295146 }}</ref>
*Probably not related to [[Helicobacter pylori]].<ref name=pmid20656325>{{Cite journal  | last1 = Genta | first1 = RM. | last2 = Kinsey | first2 = RS. | last3 = Singhal | first3 = A. | last4 = Suterwala | first4 = S. | title = Gastric foveolar metaplasia and gastric heterotopia in the duodenum: no evidence of an etiologic role for Helicobacter pylori. | journal = Hum Pathol | volume = 41 | issue = 11 | pages = 1593-600 | month = Nov | year = 2010 | doi = 10.1016/j.humpath.2010.04.010 | PMID = 20656325 }}</ref>
*Probably ''not'' caused by ''[[Helicobacter pylori]]''.<ref name=pmid20656325>{{Cite journal  | last1 = Genta | first1 = RM. | last2 = Kinsey | first2 = RS. | last3 = Singhal | first3 = A. | last4 = Suterwala | first4 = S. | title = Gastric foveolar metaplasia and gastric heterotopia in the duodenum: no evidence of an etiologic role for Helicobacter pylori. | journal = Hum Pathol | volume = 41 | issue = 11 | pages = 1593-600 | month = Nov | year = 2010 | doi = 10.1016/j.humpath.2010.04.010 | PMID = 20656325 }}</ref>
**''[[Helicobacter duodenitis]]'' is associated with gastric metaplasia.<ref name=pmid7769188>{{cite journal |authors=Yang H, Dixon MF, Zuo J, Fong F, Zhou D, Corthésy I, Blum A |title=Helicobacter pylori infection and gastric metaplasia in the duodenum in China |journal=J Clin Gastroenterol |volume=20 |issue=2 |pages=110–2 |date=March 1995 |pmid=7769188 |doi=10.1097/00004836-199503000-00007 |url=}}</ref>


Clinical DDx:<ref name=pmid21242038/>
Clinical DDx:<ref name=pmid21242038/>
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DDx:
DDx:
*Foveolar metaplasia (isolated) - see [[chronic duodenitis]].
*Foveolar metaplasia (isolated) - see [[peptic duodenitis]].
*Foveolar gastric-type dysplasia.<ref>{{Cite journal  | last1 = Park | first1 = do Y. | last2 = Srivastava | first2 = A. | last3 = Kim | first3 = GH. | last4 = Mino-Kenudson | first4 = M. | last5 = Deshpande | first5 = V. | last6 = Zukerberg | first6 = LR. | last7 = Song | first7 = GA. | last8 = Lauwers | first8 = GY. | title = Adenomatous and foveolar gastric dysplasia: distinct patterns of mucin expression and background intestinal metaplasia. | journal = Am J Surg Pathol | volume = 32 | issue = 4 | pages = 524-33 | month = Apr | year = 2008 | doi = 10.1097/PAS.0b013e31815b890e | PMID = 18300795 }}</ref>
*Foveolar gastric-type dysplasia.<ref>{{Cite journal  | last1 = Park | first1 = do Y. | last2 = Srivastava | first2 = A. | last3 = Kim | first3 = GH. | last4 = Mino-Kenudson | first4 = M. | last5 = Deshpande | first5 = V. | last6 = Zukerberg | first6 = LR. | last7 = Song | first7 = GA. | last8 = Lauwers | first8 = GY. | title = Adenomatous and foveolar gastric dysplasia: distinct patterns of mucin expression and background intestinal metaplasia. | journal = Am J Surg Pathol | volume = 32 | issue = 4 | pages = 524-33 | month = Apr | year = 2008 | doi = 10.1097/PAS.0b013e31815b890e | PMID = 18300795 }}</ref>
*[[Stomach with intestinal metaplasia]].
*[[Stomach with intestinal metaplasia]].
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==Sign out==
==Sign out==
<pre>
Duodenum, Biopsy:
- Duodenal mucosa with gastric (body-type) heterotopia, otherwise within normal limits.
</pre>
===Block letters===
<pre>
<pre>
  DUODENUM, BIOPSY:
  DUODENUM, BIOPSY:
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</pre>
</pre>


===Alternate===
====Alternate====
<pre>
<pre>
DUODENUM, BIOPSY:
DUODENUM, BIOPSY:
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*[[Duodenum]].
*[[Duodenum]].
*[[Stomach]].
*[[Stomach]].
*[[Gastric heterotopia]].
*[[Pseudopyloric mucous glands]].


==References==
==References==
49,006

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