Difference between revisions of "Duodenum"
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*Due to [[peptic ulcer disease]]. | *Due to [[peptic ulcer disease]]. | ||
**Strong association of [[Helicobacter gastritis]]. | **Strong association of [[Helicobacter gastritis]]. | ||
***This is disputed; Genta ''et al.'' consider gastric foveolar metaplasia a congenital lesion.<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> | |||
===Microscopic=== | ===Microscopic=== | ||
Features:<ref name=Ref_GLP145>{{Ref GLP|145}}</ref> | Features:<ref name=Ref_GLP145>{{Ref GLP|145}}</ref> | ||
*Gastric foveolar metaplasia. | *Gastric foveolar metaplasia - '''key feature'''. | ||
*[[Brunner's gland hyperplasia]]. | *[[Brunner's gland hyperplasia]]. | ||
*+/-Inflammation - neutrophils. (???) | *+/-Inflammation - neutrophils. (???) | ||